public interface foo int k 4 line 3 which three piece..., Basics, Java

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- Quiz 1: Java Programming
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Question:public interface Foo 
{ 
    int k = 4; /* Line 3 */
}
Which three piece of codes are equivalent to line 3? 
1.	final int k = 4;
2.	public int k = 4;
3.	static int k = 4;
4.	abstract int k = 4;
5.	volatile int k = 4;
6.	protected int k = 4;

A 1, 2 and 3 
B 2, 3 and 4 
C 3, 4 and 5 
D 4, 5 and 6

/31

+ AnswerA

+ Explanation(1), (2) and (3) are correct. Interfaces can have constants, which are always implicitly public, static, and final. Interface constant declarations of public, static, and final are optional in any combination.

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Question:public interface Foo { int k = 4; /* Line 3 */ } Which three piece of codes are equivalent to line 3? 1. final int k = 4; 2. public int k = 4; 3. static int k = 4; 4. abstract int k = 4; 5. volatile int k = 4; 6. protected int k = 4;

A 1, 2 and 3

B 2, 3 and 4

C 3, 4 and 5

D 4, 5 and 6

A