Define Implementation at Runtime using Lambda Expression

import org.testng.annotations.Test;

interface MathOperation
int operation(int a,int b);


public class Lambda2 {

public void testLambda2()

MathOperation add=(int a,int b)->a+b;
MathOperation mul=(int a,int b)->a*b;
System.out.println(“Value after addition seen is “+add.operation(10, 20));
System.out.println(“Value after multiplication seen is “+mul.operation(10, 20));


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