Wrapper Class Vs Primitive types Output 1
public class Tester { public static void main(String[] args) { Integer sum1 = 125; //line 1 int sum2 = 125; //line 2 System.out.print(sum1.equals(sum2)); //line 3 System.out.print(sum2.equals(sum1)); //line 4 System.out.print(sum1==sum2); //line 5 } } Output: 1. Compilation error at line 3 2. Compilation error at line 4 3. truetruefalse 4. truetrueture