DiamondNeg12.java

class Neg12 {

    static class Foo<X> {
        <T> Foo(T t) {}
    }

    Foo<Integer> fi1 = new <String> Foo<error descr="Cannot use diamonds with explicit type parameters for constructor"><></error>(1);
    Foo<Integer> fi2 = new <<error descr="Actual type argument and inferred type contradict each other">String</error>> Foo<Integer>(1);
    Foo<Integer> fi3 = new Foo<Integer>(1);
}