tests/011-array-copy/src/Main.java

/*
 * 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.
 */

/**
 * System.arraycopy cases
 */
public class Main {
    public static void main(String args[]) {
        String[] stringArray = new String[8];
        Object[] objectArray = new Object[8];

        for (int i = 0; i < stringArray.length; i++)
            stringArray[i] = new String(Integer.toString(i));

        System.out.println("string -> object");
        System.arraycopy(stringArray, 0, objectArray, 0, stringArray.length);
        System.out.println("object -> string");
        System.arraycopy(objectArray, 0, stringArray, 0, stringArray.length);
        System.out.println("object -> string (modified)");
        objectArray[4] = new ImplA();
        try {
            System.arraycopy(objectArray, 0, stringArray, 0,stringArray.length);
        }
        catch (ArrayStoreException ase) {
            System.out.println("caught ArrayStoreException (expected)");
        }
    }
}