Nested and Inner Class in Java.
With Java you can write a Class that is enclosed within another Class. These are called Nested Class. ONe Usually…
Java Enums
A Java Enum is a special Class that is used to defined a collection of constants. An Enum can contain…
Interface in Java
Interface in Java defines a IS-A relationship between classes and a mechanism to achieve abstraction. An Interface only consist of…
Program: Java Code to find longest character sequence in a random String.
Problem: Write a Java code to find the longest sequence of consecutive repetitive characters in a String. For example if…
Java String Practice Programming Questions and Solutions.
String Class in Java is most commonly used data type to Store sequence of characters and although it is not…
LinkedList in Java.
LinkedList in Java are a better alternative to Arrays, and provides almost all functionality that a ArrayList provides. LinkedList uses…
AutoBoxing and UnBoxing in Java
Autoboxing and unboxing is a mechanism provided by Java to automatically convert primitive Data Type into its corresponding Wrapper Class…
ArrayList in Java
ArrayList is part of Collections Framework in Java and is a implementation of List Interface. As opposed to Java Array…
String Class in Java
As we have learned about Primitive Data Types and Classes in Java. It is a good time to dig into…
Constructors in Java
Constructors are the special methods in Java which gets executed as soon as we create an object of the Class.…