Java example source code file (UncheckedConstructor.java)

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Java - Java tags/keywords

enumeration, object, util

The UncheckedConstructor.java Java example source code

/*
 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 4951260
 * @summary compiler disallows raw call to generic constructor
 * @author gafter
 *
 * @compile       -Werror                  UncheckedConstructor.java
 * @compile/fail  -Werror -Xlint:unchecked UncheckedConstructor.java
 */

import java.util.*;

class G3 {

    G3(Enumeration<Object> e) { }

    static void g() {
        new G3(new Enumeration() {
                public boolean hasMoreElements() { return false; }
                public Object nextElement() { return null; }
            });
    }

}