CastFail3.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 4916607
 * @summary Test casts (legal, warning, and errors)
 * @author gafter
 *
 * @compile/fail  CastFail3.java
 */

import java.util.*;

class CastTest {

    // --- Directly transferring parameters ---

    private class AA<T> { }

    private class AB<T> extends AA<T> { }
    private class AC<T> extends AA<Vector<T>> { }
    private class AD<T> extends AA<Vector<? extends T>> { }
    private class AE<T> extends AA<Vector<? super T>> { }
    private class AF<T> extends AA<T[]> { }
    private class AG<T> extends AA<String> { }

    private void parameterTransfer() {
        Object o;

        o = (AC<String>) (AA<Stack<String>>) null; // <<fail 3>>
    }

}