/* * Copyright (c) 2012, 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 7062745 7157798 * @summary Test inheritance of same-name methods from multiple interfaces when the methods have compatible parameter types and return types * @compile Test2.java */ import java.util.*; interface A { void m(Map map); } interface B { void m(Map map); } interface AB extends A, B {} //paramter type: Map interface C { List getList(Map map); } interface D { ArrayList getList(Map map); } interface CD extends C, D {} //paramter type: Map interface E { T get(List list); } interface F { T get(List list); } interface EF extends E, F {} //parameter type: List class Test2 { //compatible parameter types: void test(AB ab) { ab.m(new HashMap()); } //compatible parameter types and return types: void testRaw(CD cd) { //return type: ArrayList ArrayList al = cd.getList(new HashMap()); } void testGeneric(CD cd) { //return type: List V v = cd.getList(new HashMap()).get(0); } void test(CD cd) { //return type: List String s = cd.getList(new HashMap()).get(0); } void test(EF ef) { //return type: Number Number n = ef.get(new ArrayList()); } void testGeneric(EF ef) { //return type: T T t = ef.get(new ArrayList()); } }