java 8 lambda expression multiple statements

Lambda expression is used to provide the implementation of functional interface.

Java Lambda Expression Syntax

(argument-list) -> {function-body}  

Argument-list: It can be empty or non-empty as well.
Arrow notation/lambda notation: It is used to link arguments-list and body of expression.
Function-body: It contains expressions and statements for lambda expression.


package com.w3schools360;

interface HelloWorld {
	String sayHello(String name);

public class LambdaExpressionExample {
	public static void main(String args[]){
		HelloWorld helloWorld = (message) -> {
			String str1 = "Hello ";  
                        String str2 = str1 + message;   
                        return str2;


Hello Jai