1/* 2 * Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* 25 * @test 26 * @bug 5009712 27 * @summary Ensure Covariant Return Type allowed in minimum supported version 28 * @author gafter 29 * 30 * @compile -source 1.6 ExtendCovariant2.java 31 * @compile ExtendCovariant2.java 32 */ 33 34/** 35 * java.io.PrintStream java.io.PrintStream.append(char) 36 * 37 * overrides 38 * 39 * java.lang.Appendable java.lang.Appendable.append(char) 40 * 41 * With JDK 1.5, a Covariant Return is allowed so check that is the case. 42 * 43 **/ 44public class ExtendCovariant2 extends java.io.PrintStream { 45 ExtendCovariant2() throws java.io.IOException { 46 super(""); 47 } 48 public java.io.PrintStream append(char c) { 49 return this; 50 } 51} 52