Question: public interface X{ int getX(); } class C2 implements X{ public int getX() { return 5; } public int getY() { return getX() + getX();

public interface X{ int getX(); } class C2 implements X{ public

public interface X{ int getX(); } class C2 implements X{ public int getX() { return 5; } public int getY() { return getX() + getX(); } } class D2 extends C2 { public int getX() { return 3; } public int getWO { return 7: } public static void main(String[] args) { C2 c1 = new D20); System.out.println(c1.getX()); } } a. 1 O b. 7 O c. 3 O d. 5

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