Reference no: EM131455438

Any partially correct answers for a question will  not get the point regardless how many choices applicable.

Please clearly mark your choice in a separate line such as:

 Answer: A, D

1. Which of the following can fill in the blank in this code to make it compile? (Choose all that apply)

public class Ant {

  _____ void method() { }

}

A.   default

B.    final

C.    private

D.   Public

E.    String

F.     zzz:

2.     Which of the following compile? (Choose all that apply)

A.   final static void method4() { }

B.    public final int void method() { }

C.    private void int method() { }

D.   static final void method3() { }

E.    void final method() {}

F.     void public method() { }

3.     Which of the following methods compile? (Choose all that apply)

A.   public void methodA() { return;}

B.    public void methodB() { return null;}

C.    public void methodD() {}

D.   public intmethodD() { return 9;}

E.    public intmethodE() { return 9.0;}

F.     public intmethodF() { return;}

G.   public intmethodG() { return null;}

4.  Given the following method, which of the method calls return 2? (Choose all that apply)

publicinthowMany(boolean b, boolean... b2) {

return b2.length;

}

A.   howMany();

B.    howMany(true);

C.    howMany(true, true);

D.   howMany(true, true, true);

E.    howMany(true, {true});

F.     howMany(true, {true, true});

G.   howMany(true, new boolean[2]);

5.      What is the output of the following code?

1: class Mammal {

2:   public Mammal(int age) {

3:     System.out.print("Mammal");

4:   }

5: }

6: public class Platypus extends Mammal {

7:   public Platypus() {

8:     System.out.print("Platypus");

9:   }

10:   public static void main(String[] args) {

11:     new Mammal(5);

12:   }

13: }

A.    Platypus

B.     Mammal

C.     PlatypusMammal

D.    MammalPlatypus

E.     The code will not compile because of line 8.

F.      The code will not compile because of line 11.