Java example source code file (TargetType28.java)

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Java - Java tags/keywords

foo, number, superfoo, targettype28

The TargetType28.java Java example source code

/*
 * @test /nodynamiccopyright/
 * @bug 8003280
 * @summary Add lambda tests
 *  target type inference in a case where lambda expression returns diamond
 * @compile/fail/ref=TargetType28.out -XDrawDiagnostics TargetType28.java
 */

class TargetType28 {
    static class SuperFoo<X> {}

    static class Foo<X extends Number> extends SuperFoo {}

    interface A<X, Y> {
       SuperFoo<Y> m(X x);
    }

    <Z, R> SuperFoo apply(A ax, Z x) { return null; }

    SuperFoo<String> ls = apply(x-> new Foo<>(), 1);
    SuperFoo<Integer> li = apply(x-> new Foo<>(), 1);
    SuperFoo<?> lw = apply(x-> new Foo<>(), 1);
}