langtools/test/tools/javac/mixedTarget/ExtendCovariant2.java
author ntoda
Thu, 10 Jul 2014 13:57:27 -0700
changeset 25445 603f0c93d5c9
parent 5520 86e4b9a9da40
permissions -rw-r--r--
8011044: Remove support for 1.5 and earlier source and target options Reviewed-by: darcy, jjg Contributed-by: neil.toda@oracle.com, brian.goetz@oracle.com
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/*
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 * Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 5009712
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 * @summary Ensure Covariant Return Type allowed in minimum supported version
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 * @author gafter
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 *
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 * @compile -source 1.6 ExtendCovariant2.java
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 * @compile                  ExtendCovariant2.java
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 */
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/**
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 * java.io.PrintStream java.io.PrintStream.append(char)
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 *
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 * overrides
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 *
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 * java.lang.Appendable java.lang.Appendable.append(char)
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 *
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 * With JDK 1.5, a Covariant Return is allowed so check that is the case.
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 *
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 **/
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public class ExtendCovariant2 extends java.io.PrintStream {
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    ExtendCovariant2() throws java.io.IOException {
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        super("");
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    }
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    public java.io.PrintStream append(char c) {
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        return this;
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    }
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}