Java 8 Optional Optional is a new class added in java 8 in java.util package.This article will…
Java 8A collection of 23 posts
What is Lambda expression Suppose you have an interface which contains declaration of a method. Now, in…
Meaning of default methodA method in an interface having a body or implementation is called a default…
Garbage collection Objects created during program execution are automatically removed by a special module of Java Virtual…
Introduction Prior to java 8, a java interface could only have abstract methods and constants. Starting java…
