53 lines
1.7 KiB
Java
53 lines
1.7 KiB
Java
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/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Interned strings
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*/
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public class Main {
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public static void main(String args[]) {
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String a, b;
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final String foo = "foo";
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final String bar = "bar";
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// Two interned strings should match.
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a = foo.concat(bar).intern();
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b = foo.concat(bar).intern();
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if (a == b && foo != bar) {
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System.out.println("good! " + a);
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} else {
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System.out.println("bad! " + a + " != " + b);
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}
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// An interned string should match a string literal.
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a = ("f" + foo.substring(1,3)).intern();
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if (a == foo) {
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System.out.println("good! " + a);
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} else {
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System.out.println("bad! " + a + " != " + b);
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}
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// Check that a string literal in libcore equals one in the app.
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a = (new java.nio.charset.IllegalCharsetNameException(null)).getMessage();
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b = "null";
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if (a == b) {
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System.out.println("good! " + a);
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} else {
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System.out.println("bad! " + a + " != " + b);
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}
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}
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}
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