1 /*
   2  * Copyright 2002 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 4711570
  27  * @summary generics: problem with methods when type parameter doesn't appear in signature
  28  * @author gafter
  29  *
  30  * @compile  T4711570.java
  31  */
  32 
  33 class T4711570 {
  34     public static int fi() {
  35         return fi();
  36     }
  37 
  38     public static void gi() {
  39         fi();
  40         gi();
  41     }
  42 
  43     public static <T> int f() {
  44         return f();
  45     }
  46 
  47     public static <T> void g() {
  48         f();    // incompatible.types  found: <T>int required: java.lang.Object
  49         int i = f(); // workaround for f()
  50         g();    // incompatible.types  found: <T>void required: java.lang.Object
  51     }
  52     // required type looks strange
  53 
  54     public static <T> void h() {
  55         g();    // incompatible.types  found: <T>void required: java.lang.Object
  56     }
  57 
  58     public static <T> int f(T x) {
  59         return f(x);
  60     }
  61 
  62     public static <T> void g(T x) {
  63         f(x);
  64         g(x);   // incompatible.types  found: <T>void required: java.lang.Object
  65     }
  66 
  67     public static <T> void h(T x) {
  68         g(x);   // works fine now; why not in void g(T x)?
  69     }
  70 }