/* * Copyright (c) 2003, 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 4881179 4883239 * @summary Rule for semantics of ?: in the presence of generics and generic class Class * @author gafter * * @compile Conditional.java
*/
package conditional;
import java.io.Serializable;
interface I {} interface J {} class A implements I, J {} class B implements I, J {} class C extends B {}
class Conditional { staticboolean cond = String.class.getName().length() == 1; publicstaticvoid main(String[] args) { Class c = cond ? A.class : B.class; Class<?> d = cond ? A.class : B.class;
void f(A a, B b) {
I i = cond ? a : b;
J j = cond ? a : b;
}
// required for compatibility Class g(Class a) { return cond ? a : B.class;
}
// required for compatibility byte[] h(byte[] a, byte[] b) { return cond ? a : b;
}
// This one is hard because of the recursive F-bounds // The naive result is the infinite type // Class<? extends Number&Comparable<? extends Number&Comparable<? extends // ... Class<? extends Comparable<?>> c =
cond ? Integer.class : Float.class;
Comparable<?> o =
cond ? true : 3;
/*
// See 4942040 void f(Cloneable a, int[] b) { Cloneable x = cond ? a : b; } void f(Serializable a, int[] b) { Serializable x = cond ? a : b; }
// See 4941882 void f(float[] a, int[] b) { Serializable x = cond ? a : b; }
*/
}
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