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husnain

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From: Chichawatni,Pakistan

Registered: 2014-10-03

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Code Fragments:

Java Quizzes Java Language Interfaces And Abstract Classes

Directions:
interface Base{
      boolean m1 ();
      byte m2(short s);
}

Question:
Which two code fragments will compile?
1. interface Base2 implements Base {}

2. abstract class Class2 extends Base
    { public boolean m1(){ return true; }}

3. abstract class Class2 implements Base {}

4. abstract class Class2 implements Base
    { public boolean m1(){ return (7 > 4); }}

5. abstract class Class2 implements Base
    { protected boolean m1(){ return (5 > 7) }}

Option A):
1 and 2
Option B):
2 and 3
Option C):
3 and 4
Option D):
1 and 3

Correct Answer is Option C):
3 and 4

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