What is the JavaDoc Tool The JavaDoc tool is a document generator tool that is used to generate standard documentation in HTML format. JavaDoc comes along with the Java Development Kit (JDK) and generates the API documentation for Java codes and provides information about classes, methods, fields, parameters and other elements of the Java codes.… Read More: What is JavaDoc tool? How to generate JavaDoc in Eclipse? »
Inter thread communication in Java allows the multiple threads to communicate and coordinate with each other. It helps in a concurrent environment when multiple threads work together over shared resources. In Java, we can use the object’s class methods, such as wait(), notify() and notifyAll() to achieve inter-threaded communication. Object’s monitor Monitor is the lock… Read More: What is inter thread communication in Java example »
Core Java interview questions and answers: 1. What is the difference between String and StringBuilder in Java? Feature String StringBuilder Definition String is an immutable class in Java, which means once an object is created, its value cannot be changed. StringBuilder is used to create mutable string objects, which means we can change the content… Read More: Java interview questions & answer »
What is Java Messaging Service (JMS)? The Java Message Service (JMS) is a messaging standard (API) that allows Java applications to create, send, and receive messages asynchronously and reliably. It provides a common interface for different messaging providers, promoting loose coupling between clients and systems. This guide simplifies JMS core concepts with practical examples. Why… Read More: What is JMS? | Java Message Service [2025] »
Spring Boot Project Ideas- URL Shortner A URL shortener is a service that takes a long URL and generates its short version, which contains a sequence of characters that points to the original URL. The primary purpose of this service is to create more user-friendly and manageable links that are easy to share, especially while… Read More: How to create a URL shortener in Spring Boot »
What is a constructor in Java? In Java, constructors are a special type of method that is used to initialize the objects. It has the same name as that of a class and does not have a return type, not even void. Constructors are automatically called as soon as objects get created and set the… Read More: Why constructor cannot be final, static or abstract in Java? »
In Java, immutable objects are objects whose state cannot be changed once they are created; they will remain constant throughout the lifecycle of the object. It helps in terms of simplicity, thread-safety and security. For example, string objects, In Java, string objects are immutable. i.e., once they are initialized, they cannot be changed. To learn… Read More: Immutable object in Java- How to create immutable object in… »
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: How to convert Java class file to source code »
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: How to convert Java Object to YAML file? »
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: Multithreading in Java Real time example »