package chapter07; // StringTest2.java public class StringTest2 { public static void main(String[] args) { String name1 = "Mokter Hossain"; String name2 = "Mokter Hossain"; int number1 = 100; int number2 = 100; System.out.println("name1 is: " + name1); System.out.println("number1 is: " + number1); name1.toUpperCase(); // string operation number1 = number1 * 2; number2 = number2 * 2; System.out.println("After some operations: "); System.out.println("name1 is: " + name1); System.out.println("number1 is: " + number1); System.out.println("name1 is located at: " + System.identityHashCode(name1)); System.out.println("name2 is located at: " + System.identityHashCode(name2)); System.out.println("number1 is located at: " + System.identityHashCode(number1)); System.out.println("number2 is located at: " + System.identityHashCode(number2)); } }