blob: 01cbf18c6d81c8f476108a731accbc47ea4d2139 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Interned strings
*/
public class Main {
public static void main(String args[]) {
String a, b;
final String foo = "foo";
final String bar = "bar";
// Two interned strings should match.
a = foo.concat(bar).intern();
b = foo.concat(bar).intern();
if (a == b && foo != bar) {
System.out.println("good! " + a);
} else {
System.out.println("bad! " + a + " != " + b);
}
// An interned string should match a string literal.
a = ("f" + foo.substring(1,3)).intern();
if (a == foo) {
System.out.println("good! " + a);
} else {
System.out.println("bad! " + a + " != " + b);
}
// Check that a string literal in libcore equals one in the app.
a = (new java.nio.charset.IllegalCharsetNameException(null)).getMessage();
b = "null";
if (a == b) {
System.out.println("good! " + a);
} else {
System.out.println("bad! " + a + " != " + b);
}
}
}
|