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package chapter07;

/* StringTest.java */

/* A Simple Program using String Object */

public class StringTest

{

private static String a = "hello world";

private static String b = "hello world";

private static String c = "hello " + "world";

private static String d = new String("hello world");

private static Object o1 = new Object();

private static Object o2 = new Object();

public static void main(String[] args)

{

// TODO Auto-generated method stub

System.out.println("a==b:"+(a == b));

System.out.println("a==c:"+(a == c));

System.out.println("a==d:"+(a == d));

System.out.println("a.equals(d):"+(a.equals(d)));

System.out.println("o1==o2:"+(o1 == o2));

passString(a);

passString(d);

}

public static void passString(String s)

{

System.out.println("passString:"+(a == s));

}

}