Java

The java.lang package in Java is one of the most fundamental packages and is automatically imported into every Java program....

The java.util package in Java is a part of the standard library that contains a large collection of utility classes...

Assertions in Java are a useful tool for developers to test assumptions about their program's behavior during runtime. When an...

Encapsulation is one of the key features of object-oriented programming. Encapsulation refers to the bundling of fields and methods inside a single...

What is Polymorphism in Java? Polymorphism is considered one of the important features of Object-Oriented Programming. Polymorphism allows us to...

Java annotations are metadata (data about data) for our program source code. They provide additional information about the program to...

Reflection of Java Classes In Java, reflection allows us to inspect and manipulate classes, interfaces, constructors, methods, and fields at run time. There exists...

Package in Java is a mechanism to encapsulate a group of classes, sub packages and interfaces. Packages are used for: Preventing naming conflicts....

In Java, you can define a class within another class. Such class is known as nested class. Ex: There are basically...

Comments There are threee types of comments in Java. Single line Comment Multi-line Comment Documentation Comment. Also called a doc...