Java程序  |  28行  |  924 B

/*
 * Copyright (C) 2009 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.
 */

/**
 * Make sure we're performing access checks on classes used in "instanceof".
 */
public class CheckInstanceof {
    public static void main(Object obj) {
        if (obj instanceof otherpkg.Package)
            System.out.println("yes!");
        else
            System.out.println("no!");
    }
}