All Posts About Java

Double Colon (::) Operator in Java 8

Double Colon (::) Operator in Java 8

Method Reference in Java 8

Ashish Lahoti

The double colon :: operator is introduced in Java 8 for method reference. It is a shorthand syntax for lambda expression that executes one method. You can write more compact and readable code using double colon operator as compare to anonymous classes and lambda expression. We are going to understand its usage with lots of examples.

Streams in Java 8

Streams in Java 8

Ashish Lahoti

One of the major feature of Java 8 is addition of Stream. It also has introduced the functional programming in Java. We will discuss different stream operations available in Collection, Array, IntStream with examples. We will also discuss the difference between Intermediate and Terminal operations.

Immutable Class in Java

Immutable Class in Java

Ashish Lahoti

In this tutorial, we’ll learn about Immutable Class and its benefits in thread-safety, caching and collections. We will also look at rules to create immutable classes and eventually we’ll write an Immutable Class from scratch in Java.