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Question ID 3907

Given:
1.    public class A {
2.    public void doit() {
3.    }
4.    public String doit() {
5.    return "a";
6.    }
7.    public double doit(int x) {
8.    return 1.0;
9.    }
10.    }
What is the result?
 

Option A

A.    An exception is thrown at runtime.
 

Option B

B.    Compilation fails because of an error in line 7.
 

Option C

C.    Compilation fails because of an error in line 4.
 

Option D

D.    Compilation succeeds and no runtime errors with class A occur.
 

Correct Answer C
Explanation


Question ID 3908

Given:

21.    abstract class C1 {
22.    public C1() { System.out.print(1); }
23.    }
24.    class C2 extends C1 {
25.    public C2() { System.out.print(2); }
26.    }
27.    class C3 extends C2 {
28.    public C3() { System.out.println(3); }
29.    }
30.    public class Ctest {
31.    public static void main(String[] a) { new C3(); }
32.    }
What is the result?

Option A

A. 3
 

Option B

B.    23
 

Option C

C.    32
 

Option D

D.    123
 

Correct Answer D
Explanation

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