Interview Question for Senior Software Engineer at Infosys:

int var1=100, var2=200;
System.out.println("Before Swapping "+var1+", "+var2);
var1 = var1 + var2;
var2 = var1 - var2;
var1 = var1 - var2;
System.out.println("After Swapping "+var1+", "+var2);