import java.lang.Object;
import java.lang.Integer;
import java.lang.Boolean;

interface Interface {}

class Test implements Interface {
}
class Test2 {
}

public class InstanceOf {
    a = new Test();

    test1() { return this.a instanceof Test; }
    test2() { return this.a instanceof Interface; }
    test3() { return this.a instanceof Integer; }
}