Everything you need to know about
Java Development Application Development

In the ever-evolving world of technology, applications have become integral to our lives

The demand for efficient application development has skyrocketed from mobile apps that simplify daily tasks to complex enterprise software that drives business operations. Java, a robust and versatile programming language, has become a go-to choice for developers worldwide. With its extensive libraries, platform independence, and community support, Java development continues to empower the creation of cutting-edge applications across various domains. That’s why it’s important to select the right Java development company for your business.

Java Development History

Java, developed by Sun Microsystems and later acquired by Oracle Corporation, was released in 1995. Since then, it has become one of the most popular programming languages globally. One of the primary reasons for Java’s widespread adoption is its “Write Once, Run Anywhere” principle. Java programs can run on any device or platform with a Java Virtual Machine (JVM), making it highly versatile. Java provides a consistent and reliable development environment, whether it’s desktop applications, web services, or mobile apps (1).

“The principles for creating Java programming were “Simple, Robust, Portable, Platform-independent, Secured, High Performance, Multithreaded, Architecture Neutral, Object-Oriented, Interpreted, and Dynamic”.”

– Javat Point

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You need to know:
Java Development Application Development

Understanding Java Development Best Practices

This topic focuses on the best practices developers should follow when working on Java applications. It covers various aspects, including coding conventions, modularization principles, error handling, performance optimization, testing, and security. It emphasizes the importance of writing clean, maintainable, and secure code while ensuring high performance and reliability.

Choosing the Right Java Development Tools

Java development relies on many tools that enhance productivity and streamline development. This topic explores different tools and IDEs (Integrated Development Environments) available for Java development, such as Eclipse, IntelliJ IDEA, and NetBeans. It discusses the features and functionalities of these tools. It helps developers choose the right ones based on their needs and preferences.

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Java Development Application Development

Is Important the you Need
The Java Development Kit (JDK)

The Java Development Kit (JDK), a comprehensive set of tools, is the backbone of Java development. It includes the Java Compiler, which converts human-readable Java code into byte code that the JVM can execute. The JVM acts as a virtual computer, running the byte code and providing platform independence. This architecture enables developers to write code once and deploy it on multiple platforms without worrying about low-level hardware intricacies. This versatility has made Java an ideal choice for cross-platform application development.

Another key strength of Java development lies in its vast collection of libraries and frameworks. The Java Standard Library, bundled with the JDK, offers a wide range of pre-built classes and functions that simplify everyday programming tasks. It covers everything from input/output operations and network communication to data structures and concurrency handling.

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Java boasts a vibrant ecosystem 
of third-party libraries and frameworks

With its robust security model, Java provides features like automatic memory management, strong type checking, and exception handling, which contribute to writing secure and bug-free code. The JVM’s built-in security manager ensures that Java applications adhere to predefined security policies, preventing unauthorized access and malicious activities. Java’s reputation for security has made it a trusted choice for developing enterprise-grade applications and critical systems where data integrity and confidentiality are paramount.

Java’s popularity and longevity have also created a vibrant and supportive developer community.

The Java Community Process (JCP) ensures that Java’s evolution is collaborative, with developers and organizations actively contributing to its growth. The Java Development Kit is open source, allowing developers to inspect and modify the source code, contributing to its continuous improvement. This community-driven approach promotes knowledge sharing and fosters innovation. It provides access to many resources, tutorials, and forums where developers can seek guidance and support.

Furthermore, Java’s extensive documentation and comprehensive online resources make it beginner-friendly and easy to learn. Its syntax, influenced by languages like C and C++, is relatively straightforward, making it accessible to developers of various skill levels. Additionally, the availability of integrated development environments (IDEs) such as Eclipse, IntelliJ IDEA, and NetBeans further enhances the development experience by providing features like code autocompletion, debugging tools, and project management capabilities (2).

“The Java Platform would not be where it is today without its vibrant and diverse community with participation from every corner of the globe. Each member bringing their own unique voice and expertise to a diverse set of voices all meant to ensure Java remains vibrant and inclusive for generations to come.”

– Java

Java’s versatility extends to its application in various domains

Java has proven its mettle across diverse industries, from enterprise software and financial systems to scientific research and game development. Its scalability and performance make it well-suited for building large-scale, mission-critical applications that handle high volumes of data and user interactions. The support for multithreading and concurrency allows developers to create efficient and responsive applications that can utilize the full potential of modern hardware.

Moreover, Java’s compatibility with the cloud computing paradigm has made it a popular choice for developing cloud-based applications. Java’s integration with frameworks like Spring Boot and containers like Docker enables developers to build microservices and deploy them on cloud platforms like Amazon Web Services (AWS) and Microsoft Azure. This scalability and flexibility make Java an excellent choice for developing cloud-native applications that can adapt to varying workloads and user demands.

As technology advances, Java continues to evolve to meet the changing needs of developers

Introducing Java modules in Java 9 has enhanced code modularity and improved application performance. The latest versions of Java have also introduced features like record classes, pattern matching, and enhanced switch statements, making the language more expressive and developer-friendly.

Java development has played a pivotal role in empowering application development across industries

Its platform independence, extensive libraries, and robust security features make it ideal for building versatile and powerful applications. The object-oriented programming paradigm and a supportive developer community promote code reusability, modularity, and collaboration. Whether it’s creating enterprise software, web applications, or mobile apps, Java’s scalability and compatibility with emerging technologies like cloud computing position it as a reliable and future-proof language for application development; as the technology landscape continues to evolve, Java will undoubtedly remain at the forefront, empowering developers to build innovative and impactful applications that shape the digital world.

Java Development: Empowering Application 
Development with Tips and Best Practices

Follow coding conventions for application project

Consistent and readable code is essential for collaboration and maintainability. Adhering to established coding conventions, such as those outlined in Oracle’s Java Code Conventions, promotes code clarity and enhances the readability of your codebase.

Utilize appropriate design patterns

Design patterns provide proven solutions to common software design problems. Familiarize yourself with design patterns like Singleton, Observer, Factory, and MVC (Model-View-Controller) to architect your Java applications effectively. Leveraging design patterns enhances code reusability, maintainability, and scalability.

Apply modularization principles

Modularizing your codebase into smaller, cohesive units promotes code organization and ease of maintenance. Utilize Java modules or frameworks like Apache Maven or Gradle to manage dependencies and create modular applications. Modularization also enables efficient testing and makes adding or updating functionality in the future easier.

Implement error handling and exception management

Proper handling is crucial for robust applications. Identify potential error scenarios and handle exceptions gracefully by using try-catch blocks. Log meaningful error messages and provide appropriate feedback to users. Effective exception management helps diagnose issues and enhances your application’s overall reliability.

Optimize performance

Performance optimization is vital for delivering efficient applications. Utilize tools like profilers to identify performance bottlenecks and optimize critical sections of your code. Avoid unnecessary object creation, use efficient data structures, and employ caching techniques when appropriate. Regularly monitor and fine-tune your application’s performance to ensure optimal user experience.

Ensure thread safety

Java’s multithreading capabilities allow for concurrent processing. However, improper thread synchronization can lead to race conditions and data inconsistencies. Use synchronized blocks, locks, or contemporary data structures to ensure thread safety in your applications. Understanding and implementing thread safety measures is essential for developing scalable, high-performance Java applications (3).

“The reason for data inconsistency is because updating any field value is not an atomic process, it requires three steps; first to read the current value, second to do the necessary operations to get the updated value and third to assign the updated value to the field reference.

– Digital Ocean

Conduct thorough testing

Rigorous testing is fundamental to building reliable and bug-free applications. Employ unit testing frameworks like JUnit or TestNG to create automated test suites. Write test cases that cover different scenarios and edge cases. Additionally, consider adopting test-driven development (TDD) principles, where tests are written before the code, to promote better code quality and maintainability.

Regularly update libraries and frameworks: Stay updated with the latest versions of Java libraries, frameworks, and tools. Regular updates often include bug fixes, performance improvements, and new features. Maintaining an updated development environment ensures you can leverage the advancements in Java technology and benefit from enhanced stability and security.

Practice code versioning and collaboration

Utilize version control systems like Git to manage your codebase effectively. Regularly commit your changes, branch your code for new features or bug fixes, and collaborate with other developers through platforms like GitHub or Bitbucket. Version control systems enable efficient code management, facilitate collaboration, and provide the ability to revert to previous versions if needed.

Continuously learn and stay engaged with the community: Java is a vast ecosystem with a thriving developer community. Stay updated with the latest trends, frameworks, and best practices by reading blogs, participating in forums, attending conferences, or joining local developer communities. Engaging with the Java community allows you to gain insights, share knowledge, and grow as a Java developer.

Document your code

Clear and comprehensive documentation is crucial for the long-term maintainability of your Java applications. Documenting your code helps other developers understand its functionality and is a valuable reference for future updates or troubleshooting. Use tools like Javadoc to generate API documentation, providing a structured and easily accessible reference for your codebase.

Secure your application web server

Security is a top priority in application development. Ensure your Java applications follow secure coding practices to protect against common vulnerabilities. Sanitize user inputs, implement secure authentication and authorization mechanisms and apply encryption when handling sensitive data. Regularly update dependencies to address any security vulnerabilities that may arise.

Optimize memory usage

Java’s automatic memory management helps simplify memory allocation and deallocation. However, inefficient memory usage can lead to performance issues. Pay attention to memory-intensive operations, avoid unnecessary object creation, and use appropriate data structures to optimize memory usage. Conduct memory profiling to identify memory leaks or excessive memory consumption.

Implement caching strategies or database

Caching can significantly improve the performance of your Java applications. Identify areas where caching can be utilized, such as database queries or expensive computations, and employ caching mechanisms like in-memory caches (e.g., Ehcache) or distributed caches (e.g., Redis) to store frequently accessed data. Caching can reduce response times and alleviate the load on backend systems.

Consider performance monitoring and logging

Implement frameworks like Log4j or SLF4J to capture important application events and facilitate debugging. Configure appropriate log levels to balance the amount of logged information. Additionally, consider using performance monitoring tools to track application metrics, identify bottlenecks, and gain real-time insights into your application’s performance.

Maintain code quality with code reviews

Code reviews are essential for maintaining code quality, identifying potential issues, and sharing knowledge among team members. Encourage regular code reviews where developers can provide feedback, suggest improvements, and ensure adherence to coding standards. Code reviews promote collaboration, improve the overall quality of the codebase, and help catch bugs early in the development cycle.

Opt for an Agile development approach: Agile methodologies like Scrum or Kanban can enhance the efficiency and productivity of your Java development projects. Embrace iterative and incremental development, maintain a prioritized backlog of features, and regularly communicate with stakeholders. Agile practices promote flexibility, adaptability, and customer satisfaction by delivering working software in shorter cycles.

Continuously refactor and improve your code

Refactoring involves restructuring and improving existing code without changing its functionality. Regularly review your codebase, identify areas for refactoring, and apply best practices to enhance code readability, maintainability, and performance. Refactoring reduces technical debt, improves code maintainability, and ensures a robust foundation for future development.

Automate build and deployment processes

Streamline your development workflow by automating build, testing, and deployment processes. Utilize build tools like Apache Maven or Gradle to automate compilation, dependency management, and packaging. Implement continuous integration and deployment (CI/CD) pipelines to automate testing, code quality checks, and deployment to different environments. Automation reduces manual errors, saves time, and enables faster and more reliable releases.

Embrace continuous learning and improvement

The Java development field constantly evolves, with new technologies, frameworks, and best practices emerging regularly. Stay curious and invest time in learning new concepts, experimenting with new tools, and exploring innovative approaches to application development. Continuously improving your skills and staying updated with industry trends ensures that you remain competitive and can deliver high-quality Java applications.

By incorporating these tips and best practices into your Java development workflow, you can streamline your development process, create efficient, secure, and maintainable applications, and enhance your overall productivity as a Java developer. Remember that these tips and best practices are meant to serve as guidelines, and you should adapt them based on the specific requirements of your projects.

Earning Trust & Loyalty for our Software Development Services

Our executive team proudly provides complete software development solutions in the healthcare, SaaS, Manufacturing, and FinTech fields from deployment to completion.

Our client-centric software development solutions have made us the healthcare app development provider of choice for clients such as Akido Labs, Datacubed Health, Sema Technologies, and Semantic AI, among others. With thousands of software development engineers deployed to date, clients love our personalized high-touch approach.

With high-quality delivery web development services and strong customer support and management, we give you the ability to focus on business decisions rather than software development issues.

Common Search Terms About
Java Development Application Development

Java development offers many opportunities to build robust and innovative applications across various domains. Whether creating enterprise software, web applications, mobile apps, or delving into emerging technologies like cloud computing and machine learning, following best practices ensures that your Java applications meet high quality, performance, and security standards.

As you embark on your Java development journey, don’t be afraid to explore new tools, frameworks, and libraries that can further enhance your development process. Engage with the vibrant Java community, seek advice from experienced developers, and actively participate in discussions and forums. Sharing knowledge and collaborating with fellow developers will expand your expertise and foster personal and professional growth.

Java’s versatility and longevity make it a reliable choice for application development, and by employing best practices, you can fully leverage its capabilities to build robust, scalable, and user-centric applications. Embrace continuous learning, stay updated with the latest advancements, and strive for excellence in your Java development endeavors. With dedication, practice, and a commitment to quality, you can create impactful applications that contribute to the ever-evolving world of technology.

Java Development Application Development

This topic provides an overview of Java development and its significance in application development. It introduces the Java programming language, its history, and its features that make it suitable for developing a wide range of applications. It highlights the advantages of using Java for application development, such as platform independence, extensive libraries, and a supportive developer community.

Setting Up a Java Development Environment

Before starting Java development, it is essential to set up a proper development environment. This topic guides developers through installing and configuring the necessary tools, including the Java Development Kit (JDK), IDEs, and build tools like Apache Maven or Gradle. It covers the steps to ensure a smooth setup and provides tips for managing dependencies and project configurations.

Essential Concepts in Java Programming

This topic introduces fundamental concepts in Java programming that every developer should understand. It covers variables, data types, control structures, object-oriented programming (OOP) principles, inheritance, polymorphism, and exception handling. It provides a solid foundation for writing Java code and understanding more advanced concepts in application development.

Java Development Frameworks and Libraries

Java development is greatly facilitated by the availability of numerous frameworks and libraries. This topic explores popular Java frameworks like Spring, Hibernate, JavaServer Faces (JSF), and libraries for specific purposes like Apache Commons and Google Guava. It discusses the features, functionalities, and use cases of these frameworks and libraries to help developers choose the most suitable ones for their projects.

Efficient Java Code Organization and Structure

Writing well-organized and structured code is essential for maintainability and collaboration. This topic covers best practices for organizing Java code, including package structure, naming conventions, and separation of concerns. It discusses modular and reusable code creation techniques, leveraging design patterns, and implementing proper class and method documentation.

Testing and Debugging in Java Development

Testing and debugging are crucial aspects of software development. This topic explores different testing methodologies, including unit testing with frameworks like JUnit, integration, and automated testing. It also covers debugging techniques using IDEs and logging frameworks to effectively identify and resolve issues in Java applications.

Performance Optimization Techniques for Java Applications

Performance optimization is vital for delivering efficient and responsive applications. This topic discusses various techniques for optimizing the performance of Java applications, such as efficient memory management, multithreading, caching, and algorithmic improvements. It also covers profiling tools to identify performance bottlenecks and strategies for tuning and optimizing code for better execution speed.

Java Security Best Practices: Security is of utmost importance in application development. This topic highlights the best practices for ensuring the security of Java applications. It covers issues like input validation, secure coding practices, authentication and authorization mechanisms, secure communication, and protecting against common vulnerabilities like SQL injection and cross-site scripting (XSS) attacks. It emphasizes the significance of implementing security measures throughout the development lifecycle.

Working with Databases in Java Applications

Most applications require interaction with databases for data storage and retrieval. This topic delves into the concepts and techniques of working with databases in Java applications. It covers connecting to databases using JDBC (Java Database Connectivity) or ORM (Object-Relational Mapping) frameworks like Hibernate. It explains how to perform database operations, such as querying, inserting, updating, and deleting data using SQL or ORM queries. It also discusses transaction management, connection pooling, and optimizing database interactions for improved performance.

Java Application Deployment and Maintenance

Once the development phase is complete, applications must be deployed and maintained in production environments. This topic provides insights into deploying Java applications to different platforms, such as application servers or cloud platforms. It covers techniques for packaging and distributing applications, managing dependencies, configuring application servers, and handling deployment-related challenges. It also discusses strategies for monitoring, logging, and maintaining deployed applications to ensure smooth operation.

Java Development Trends and Future Outlook

Java development constantly evolves, with new trends and technologies emerging. This topic explores the current trends in Java development, such as microservices architecture, cloud-native applications, serverless computing, and containerization. It also discusses the future outlook of Java, including upcoming language features, frameworks, and technologies likely to shape the Java development landscape (4).

“September 2021 saw the release of Java 17, the first long-term-support release since Java 11. Developers can innovate with new language features such as Java records, or improve application performance with improved garbage collectors.”

– The Server Side

Continuous Integration and Deployment in Java Development

Continuous Integration (CI) and Continuous Deployment (CD) practices have become popular in modern software development. This topic explains the concepts and benefits of CI/CD in Java development. It covers setting up CI/CD pipelines and automating build, testing, and deployment processes using tools like Jenkins or GitLab CI. It emphasizes automating repetitive tasks to ensure efficient and error-free software delivery.

Java Development Resources and Communities

To thrive as a Java developer, staying engaged with the vibrant Java community and availing yourself of valuable resources is crucial. This topic introduces developers to online resources, such as documentation, tutorials, blogs, and forums, where they can access relevant information and seek guidance. It also highlights the significance of attending conferences, joining local developer communities, and participating in open-source projects to enhance learning, networking, and professional growth.

Developers can build robust, high-quality applications that meet modern requirements by thoroughly understanding and applying these topics in Java development. Following best practices, leveraging the right tools and frameworks, and staying updated with the latest trends and techniques empower developers to excel in their Java development endeavors.

Java Development Best Practices and Coding Standards

Java development best practices and coding standards are guidelines that help developers write clean, maintainable, and efficient code. These practices promote consistency, readability, and collaboration within development teams. They include conventions for naming variables and methods, organizing code structure, handling exceptions, and commenting code for better understanding. Best practices also encompass concepts like SOLID principles, design patterns, and unit testing to ensure code quality and modularity.

Java Application Development Tools and Frameworks

Java offers many tools and frameworks that streamline application development. Tools like Eclipse, IntelliJ IDEA, and NetBeans provide powerful Integrated Development Environments (IDEs) with features like code completion, debugging, and refactoring capabilities. Frameworks like Spring, Hibernate, and JavaServer Faces (JSF) simplify everyday tasks in Java enterprise-level application development (https://sonatafy.com/java-enterprise-level-applications/), such as dependency injection, object-relational mapping, and user interface creation. These tools and frameworks enhance productivity and code efficiency and promote best practices.

Java Development Performance Optimization Techniques

To optimize the performance of Java applications, developers can employ various techniques. These include efficient memory management by minimizing object creation, using appropriate data structures, and avoiding excessive garbage collection. Multithreading can be utilized to leverage the capabilities of modern processors and enhance concurrency. Caching frequently accessed data, optimizing database interactions, and profiling and tuning critical code sections are effective performance optimization techniques.

Java Application Security Vulnerabilities and Solutions

Java applications are susceptible to various security vulnerabilities. Common vulnerabilities include SQL injection, cross-site scripting (XSS), cross-site request forgery (CSRF), and insecure session management. To mitigate these risks, developers should follow secure coding practices, such as input validation, output encoding, and authentication and authorization mechanisms. They should also keep libraries and dependencies up to date, apply proper encryption, and conduct regular security audits and testing.

Database Integration in Java Applications

Java applications often require integration with databases for data storage and retrieval. JDBC (Java Database Connectivity) is a standard API for connecting to databases and performing SQL queries. Alternatively, Object-Relational Mapping (ORM) frameworks like Hibernate provide a higher-level abstraction by mapping Java objects to database tables. These frameworks simplify database operations and handle tasks like connection management, transaction management, and query optimization.

Java Development Environment Setup Guide

Setting up a Java development environment involves installing the Java Development Kit (JDK), an IDE, and building tools. The JDK provides the necessary tools and libraries for Java development. IDEs like Eclipse, IntelliJ IDEA, and NetBeans offer comprehensive development environments with code editing, debugging, and project management features. Build tools like Apache Maven or Gradle to automate tasks such as compiling code, managing dependencies, and packaging applications. Developers should also configure the environment variables and project settings to ensure proper integration.

Java Development Trends and Future Technologies

Java development continuously evolves, and stay updated with the latest trends and technologies is crucial for developers. Current trends include microservices architecture, cloud-native applications, serverless computing, and containerization with technologies like Docker and Kubernetes. Additionally, emerging technologies like machine learning, artificial intelligence, and blockchain are gaining traction in the Java ecosystem. Developers should explore these trends and technologies to enhance their skill set and remain relevant in the industry.

Continuous Integration and Deployment for Java Applications

Continuous Integration (CI) and Continuous Deployment (CD) practices aim to automate the build, testing, and deployment processes. Tools like Jenkins, GitLab CI, or Travis CI enable developers to set up pipelines that automatically build and test code changes, ensuring early detection of issues. With proper configuration, CI/CD pipelines can seamlessly deploy Java applications to different environments, reducing manual errors and enabling faster and more reliable releases.

Java Development Communities and Forums

Java development communities and forums provide platforms for developers to connect, collaborate, and seek peer assistance. Communities like Java User Groups (JUGs) and online forums like Stack Overflow, Reddit, and Oracle Community offer a wealth of knowledge and resources. Developers can participate in discussions, ask questions, and share their experiences. These communities also organize events, webinars, and conferences, providing opportunities to network, learn from industry experts, and stay updated with the latest trends in Java development.

Java Application Deployment and Maintenance Checklist

When deploying and maintaining Java applications, following a checklist ensures a smooth and error-free process. The list typically includes steps such as:

  • Ensuring all dependencies and libraries are included in the deployment package.
  • Configuring the application server or cloud platform with the necessary resources and configurations.
  • Verifying database connectivity and performing database migrations if required.
  • Setting up logging and monitoring to track application performance and identify issues.
  • Implementing backup and disaster recovery mechanisms.
  • Conducting security assessments and applying necessary patches and updates.
  • Performing regular maintenance tasks like log rotation, database optimization, and resource cleanup.
  • Monitoring application health and performance metrics to identify and address issues proactively.

By following a comprehensive checklist, developers can ensure the smooth deployment and ongoing maintenance of Java applications, minimizing potential disruptions and providing a seamless user experience.

These topics cover crucial aspects of Java development, providing insights into best practices, tools, security, performance optimization, database integration, development environment setup, industry trends, continuous integration, and deployment. Understanding and implementing these concepts and guidelines empower developers to build robust, efficient, secure, and maintainable Java applications while enabling them to stay connected with the vibrant Java community and leverage available resources for continuous learning and growth.

So next time you see an open position of your interest or somebody reaches out to you through LinkedIn, take 5 minutes to do some research about them and decide.  


Apache Kafka:

Link: https://kafka.apache.org/

Description: Apache Kafka is a distributed streaming platform written in Java. It is widely used for building real-time data pipelines, streaming applications, and event-driven architectures. The Kafka project demonstrates excellent Java application development practices, including scalability, fault tolerance, and performance optimization. The source code is available on GitHub, allowing developers to explore and learn from a well-designed and widely adopted Java application.

Spring Framework:

Link: https://spring.io/

Description: The Spring Framework is a popular Java development framework that provides a comprehensive programming and configuration model for building enterprise-grade applications. It follows best practices and promotes modularity, testability, and maintainability. The Spring source code, documentation, and sample applications showcase industry-standard Java development practices and demonstrate how to leverage the framework’s features for efficient and robust application development.


  1. The principles for creating Java programming were “Simple, Robust, Portable, Platform-independent, Secured, High Performance, Multithreaded, Architecture Neutral, Object-Oriented, Interpreted, and Dynamic”. – Javat Point Quote
  2. The Java Platform would not be where it is today without its vibrant and diverse community with participation from every corner of the globe. Each member bringing their own unique voice and expertise to a diverse set of voices all meant to ensure Java remains vibrant and inclusive for generations to come. – Java Quote
  3. The reason for data inconsistency is because updating any field value is not an atomic process, it requires three steps; first to read the current value, second to do the necessary operations to get the updated value and third to assign the updated value to the field reference. – Digital Ocean Quote
  4. September 2021 saw the release of Java 17, the first long-term-support release since Java 11. Developers can innovate with new language features such as Java records, or improve application performance with improved garbage collectors. – The Server Side Quote