Which three are valid method signatures in an interface? 1.private int getArea(); 2.public float getVol(float x); 3.public void main(String [] args); 4.public static void main(String [] args); 5.boolean setFlag(Boolean [] test);

Which three are valid method signatures in an interface? 1.private int

1.	Which three are valid method signatures in an interface? 1.private int getArea(); 2.public float getVol(float x); 3.public void main(String [] args); 4.public static void main(String [] args); 5.boolean setFlag(Boolean [] test);
A.	1 and 2
B.	2, 3 and 5
C.	3, 4, and 5
D.	2 and 4
Answer» C. 3, 4, and 5

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Which three are valid method signatures in an interface? 1.private int getArea(); 2.public float getVol(float x); 3.public void main(String [] args); 4.public static void main(String [] args); 5.boolean setFlag(Boolean [] test);

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