class StringTest { public static void main (String args[]) { String str1 = null; String str2 = null; str1 = "Fred"; str2 = str1; System.out.println("str1: " + str1); System.out.println("str2: " + str2); str1 = "Barney"; System.out.println("str1: " + str1); System.out.println("str2: " + str2); } }
public class Hello { public static void main(String[] args) { System.out.println( "Hello, world" ); } }
Hello, Al