Java example source code file (UplevelPrivateConstants.java)

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Java - Java tags/keywords

inner, string, uplevelprivateconstants, val1, val2, val3

The UplevelPrivateConstants.java Java example source code

/*
 * Copyright (c) 1998, 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 4098737
 * @summary Compiler must treat an uplevel reference to a
 * private named constant as a constant expression.
 *
 * @compile UplevelPrivateConstants.java
 */

/*
 * Compilation will fail if the case labels are not
 * seen as constant expressions.
 */

class UplevelPrivateConstants {

    class Inner {

        private String value;

        Inner(int code) {
            switch(code) {
              case VAL1: value = "value1"; break;
              case VAL2: value = "value2"; break;
              case VAL3: value = "value3"; break;
            }
        }
    }

    private static final int VAL1 = 1;
    private static final int VAL2 = 2;
    private static final int VAL3 = 3;
}