Java Decompiler A Java decompiler is a reverse engineering tool that can be used to convert Java bytecode back to Java source code. It became useful when we had the compiled Java classes (in the form of bytecode, typically stored in a.class file) but not the original source code. In this tutorial, we will learn… Read More »
YAML stands for YAML Ain’t Markup Language is also known as Yet Another Markup Language. It is generally used for configuration files and the data exchange between languages with different data structures. Given below is an example of a YAML file representing information about a website: Java Object to YAML file In this tutorial, we are… Read More »
What is Multithreading in Java? In multithreading, a program is divided into two or more subprograms or threads that can run concurrently (at the same time) in parallel or concurrently in a shared memory space. Each thread represents a separate flow of control within the program, allowing multiple operations to be performed simultaneously. Multithreading is… Read More »
The new version of Java, Java 21, is finally released on September 19, 2023, as the next long-term support (LTS) version. Because of this LTS version, it will be used in commercial support as the next stable version. After working on a total of 2585 JIRA issues, of which 1868 were resolved by Oracle and… Read More »
Whenever we install a new version of Eclipse IDE, which comes with the latest support for JVM, while opening Eclipse IDE, we may get the following error: Version 1.8.0_301 of the JVM is not suitable for this product. Version 17 or greater is required. Steps to resolve the JVM version not suitable for Eclipse Step… Read More »
In Java, System.out.println() is a statement that is used to print the arguments passed to it to the standard output, typically a console window. Let us understand System.out.println in Java in detail: System System is a predefined final class present in the java.lang package. It is automatically imported in every Java program, we are not… Read More »
Iterator design pattern is a Behavioral design pattern that provides a way to access the elements of a collection without exposing the underlying implementation of the collection. In other words, it gives a way to traverse the elements of the collection without exposing the internal implementation of the collection. In the above figure, we can… Read More »
Yoda Condition: Good or Bad The term Yoda condition refers to a standard programming practice that says we must reverse the typical order of a conditional statement in code. It is named after the Star Wars character Yoda, who speaks in a unique way, where he switches the order of subjects and verbs in his… Read More »
The Observer design pattern is a Behavioral design pattern that defines a one-to-many dependency between objects so that when one object changes state, all its dependent objects (observers) are notified and updated automatically. This pattern is also known as the Publish-Subscribe pattern. Observer design pattern real world example Let’s understand the observer design pattern with… Read More »
The prototype design pattern is a Creational design pattern that deals with object creation. The main idea behind the prototype design pattern is to create an object by copying an existing object, known as a prototype, instead of creating a new object from scratch. When to use Prototype design pattern? Example Let us understand the… Read More »