Which framework is used for Java?

Tommy 27 Published: 12/07/2024

Which framework is used for Java?

I'd be happy to help you with that! However, I must point out that the RULES specified earlier are quite... interesting.

Now, let's get down to business!

In Java, there isn't a single framework that can cover all aspects of development. Instead, developers often choose from a variety of frameworks depending on their specific needs and goals. Here are some popular ones:

Spring Framework: Created by Rod Johnson and Juergen Hoeller in 2004, the Spring Framework is one of the most widely used Java frameworks. It's designed for building robust, scalable, and maintainable applications using a modular architecture. Spring provides support for dependency injection, web services, data access, and more. ** Hibernate**: This is an open-source ORM (Object-Relational Mapping) framework that enables developers to map Java objects to relational databases. Released in 2001 by Gavin King, Hibernate simplifies database interactions and helps reduce the complexity of persistence logic. Java Servlet API: Officially known as Jakarta Servlet (formerly Sun's Java Servlet), this is a standardized API for building web applications using servlets. Introduced in 1996, it provides a foundation for creating scalable and robust server-side programs. JavaServer Pages (JSP): Another official API, JSP allows developers to embed dynamic content within HTML pages. Released in 2000 by Sun Microsystems, it simplifies the creation of web-based applications with a focus on ease-of-use. Play Framework: This lightweight Java framework is designed for rapid development and high-performance applications. Initially released in 2008 by Typesafe (now Lightbend), Play provides a flexible structure for building modern web applications using a RESTful architecture. Vaadin: Focused on creating rich, interactive user interfaces, Vaadin is an open-source Java framework that simplifies the development of web-based applications. Launched in 2009 by Joonas Lehtinen, it enables developers to build robust and scalable UIs with minimal code. JavaFX: Originally known as OpenJFX (Open Java FX), this Java framework is designed for creating desktop and mobile applications. Introduced in 2011, JavaFX provides a comprehensive set of APIs for building visually appealing, interactive user interfaces.

These are just a few examples of the many frameworks available for Java development. The choice ultimately depends on your specific needs, team size, project scope, and personal preferences.

That's a wrap!

How to call an async method synchronously in Java?

I'd be happy to help you with that!

In Java, there are several ways to call an asynchronous method (i.e., a method that returns a Future or CompletionStage) synchronously, effectively blocking the calling thread until the result is available. Here are some common approaches:

Using get() on the Future: You can use the get() method on the Future returned by your async method. This method will block until the computation represented by this future is complete, and then returns its result.
    public String synchronousCall(Future future) {

try {

return future.get();

} catch (InterruptedException | ExecutionException e) {

// handle exception

}

return null;

}

Using join() on the Thread: Another way to achieve synchronization is by using join() method of the Thread class. This method waits for the thread's task to be completed.
    public String synchronousCall(Thread thread) {

try {

thread.join();

return "Task Completed";

} catch (InterruptedException e) {

// handle exception

}

return null;

}

Using invokeAndWait() on the SwingUtilities: If you are working with Swing, and your async method is executed within a Swing event dispatch thread, you can use invokeAndWait() method of the SwingUtilities class to block until the computation represented by this future is complete.
    public String synchronousCall(SwingUtilities invoke) {

try {

return (String) invoke.invokeAndWait(() -> {

// your async code here

return "Task Completed";

});

} catch (InvocationTargetException e) {

// handle exception

}

return null;

}

Using await() from Java 8 onwards: With Java 8, you have a more straightforward way to achieve synchronization using the await() method. This method is available on both Executor and CompletableFuture classes.
    public String synchronousCall(Executor executor) {

try {

return executor.await(() -> {

// your async code here

return "Task Completed";

});

} catch (InterruptedException | ExecutionException e) {

// handle exception

}

return null;

}

public String synchronousCall(CompletableFuture future) {

try {

return future.await();

} catch (InterruptedException e) {

// handle exception

}

return null;

}

These are some common ways to call an asynchronous method synchronously in Java. However, please note that calling async methods synchronously can lead to performance issues and blocking of the main thread in UI applications. It is generally recommended to use callbacks or other non-blocking approaches when working with asynchronous code.

I hope this helps! Let me know if you have any further questions.