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 »
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 JVM version 17 or greater is required 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 in Java System is a predefined final class present in the java.lang package. It is automatically imported in every Java program, we… 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 »
Shallow Copy A shallow copy is a type of copy made by cloning or copying the original object, but it does not contain copies of objects nested within the original object. Instead, it creates a new copy that references the same nested objects as the original object. Let’s understand with the following diagram: As we… Read More »
Java Memory management in Java refers to the process of handling computer memory (RAM) effectively and efficiently to store and manage objects created during the execution of a Java program. It involves allocating memory to new objects when they are created and freeing up memory from objects that are no longer needed (garbage collection) to… Read More »
A string is an object in Java that represents a sequence of character values. Strings are immutable, which means once they are created, we cannot change their value. It is recommended to use the char[] array for storing passwords over strings in Java because of following reasons: 1. Strings are immutable In Java, the memory… Read More »