Questão 1630167

interface P {

--int x;

--int y;

----public void op1(String x);

}

abstract interface Q {

--public int x;

--public int y;

--public default void op1() {

----System.out.println(x+y);

----}

--}

final interface R {

--int x=10;

--int y=20;

----public static void op1() {

------System.out.println(x+y);

---}

}

public interface S {

---public static int x=10;

---public static int y=20;

---public static void op1() {

------x++;

------y++;

-------System.out.println(x+y);

---}

}

public abstract interface T {

---static int x=20;

---public int y=20;

static void op1() {

---System.out.println(x+y);

---}

}