Given: 1. abstract class Shape { 2. Shape ( ) { System.out.println ("Shape"); } 3. protected void area ( ) { System.out.println ("Shape"); } 4. } 5. 6. class Square extends Shape { 7. int side; 8. Square (int side) { 9. /* insert code here */ 10. this.side = side; 11. } 12. public void area ( ) { System.out.println ("Square"); } 13. } 14. class Rectangle extends Square { 15. int len, br; 16. Rectangle (int x, int y) { 17. /* insert code here */ 18. len = x; br = y; 19. } 20. void area ( ) { System.out.println ("Rectangle"); } 21. } Which two modifications enable the code to compile?

D. At line 17, insert super (x);

E. At line 17, insert super (); super.side = x;

F. At line 20, use public void area () {

Oracle

1Z0-809 · Question #48

1Z0-809 Question #48: Real Exam Question with Answer & Explanation

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Question

Given:
abstract class Shape {
Shape ( ) { System.out.println ("Shape"); }
protected void area ( ) { System.out.println ("Shape"); }
}
class Square extends Shape {
int side;
Square (int side) {
/* insert code here */
this.side = side;
}
public void area ( ) { System.out.println ("Square"); }
}
class Rectangle extends Square {
int len, br;
Rectangle (int x, int y) {
/* insert code here */
len = x; br = y;
}
void area ( ) { System.out.println ("Rectangle"); }
}
Which two modifications enable the code to compile?

Options

AAt line 1, remove abstract
BAt line 9, insert super();
CAt line 12, remove public
DAt line 17, insert super (x);
EAt line 17, insert super (); super.side = x;
FAt line 20, use public void area () {

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