test/030-bad-finalizer/src/BadFinalizer.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.
 */

/**
 * Class with a bad finalizer.
 */
public class BadFinalizer {
    public static void snooze(int ms) {
        try {
            Thread.sleep(ms);
        } catch (InterruptedException ie) {
            System.out.println("Snooze: " + ie.getMessage());
        }
    }

    protected void finalize() {
        System.out.println("Finalizer started and spinning...");
        int j = 0;

        /* spin for a bit */
        long start, end;
        start = System.nanoTime();
        for (int i = 0; i < 1000000; i++)
            j++;
        end = System.nanoTime();
        System.out.println("Finalizer done spinning.");

        System.out.println("Finalizer sleeping forever now.");
        while (true) {
            snooze(10000);
        }
    }
}