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public class Pos02 {
static class Foo<X> {
Foo(X x) {}
<Z> Foo(X x, Z z) {}
}
void testSimple() {
Foo<Integer> f1 = new Foo<>(1);
Foo<? extends Integer> f2 = new Foo<>(1);
Foo<?> f3 = new Foo<>(1);
Foo<? super Integer> f4 = new Foo<>(1);
Foo<Integer> f5 = new Foo<>(1, "");
Foo<? extends Integer> f6 = new Foo<>(1, "");
Foo<?> f7 = new Foo<>(1, "");
Foo<? super Integer> f8 = new Foo<>(1, "");
}
void testQualified() {
Foo<Integer> f1 = new Pos02.Foo<>(1);
Foo<? extends Integer> f2 = new Pos02.Foo<>(1);
Foo<?> f3 = new Pos02.Foo<>(1);
Foo<? super Integer> f4 = new Pos02.Foo<>(1);
Foo<Integer> f5 = new Pos02.Foo<>(1, "");
Foo<? extends Integer> f6 = new Pos02.Foo<>(1, "");
Foo<?> f7 = new Pos02.Foo<>(1, "");
Foo<? super Integer> f8 = new Pos02.Foo<>(1, "");
}
public static void main(String[] args) {
Pos02 p2 = new Pos02();
p2.testSimple();
p2.testQualified();
}
}
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