1 /* 2 * Copyright (c) 2015, 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 8071453 27 * @summary Verify that generics work with private method in interface 28 */ 29 30 public class PrivateGenerics { 31 32 interface I<T> { 33 private T foo() { return null; }; 34 default void m(T t) { 35 T t1 = t; 36 T t2 = foo(); 37 } 38 } 39 40 interface J { 41 private <M> M foo() { return null; } 42 default <N> void m(N n) { 43 N n1 = n; 44 N n2 = foo(); 45 } 46 } 47 48 public static void main(String[] args) { 49 I<String> i = new I<>() {}; 50 i.m("string"); 51 String s = i.foo(); 52 53 J j = new J() {}; 54 j.m("string"); 55 s = j.foo(); 56 } 57 }