Main.java revision 2ad60cfc28e14ee8f0bb038720836a4696c478ad
1/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17/**
18 * Interned strings
19 */
20public class Main {
21    public static void main(String args[]) {
22        String a, b;
23        String foo = "foo";
24        String bar = "bar";
25
26        a = foo.concat(bar).intern();
27        b = foo.concat(bar).intern();
28        if (a == b && foo != bar) {
29            System.out.println("good! " + a);
30        } else {
31            System.out.println("bad!");
32        }
33    }
34}
35