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Question ID 3794

Given:
11.    public void testIfA() {
12.    if (testIfB("True")) {
13.    System.out.println("True");
14.    } else {
15.    System.out.println("Not true");
16.    }
17.    }
18.    public Boolean testIfB(String str) {
19.    return Boolean.valueOf(str);
20.    }
What is the result when method testIfA is invoked?
 

Option A

A.    True
 

Option B

B.    Not true
 

Option C

C.    An exception is thrown at runtime.
 

Option D

D.    Compilation fails because of an error at line 12.
 

Correct Answer A
Explanation


Question ID 3795

Given:
1.    public class Donkey {
2.    public static void main(String[] args) {
3.    boolean assertsOn = false;
4.    assert (assertsOn) : assertsOn = true;
5.    if(assertsOn) {
6.    System.out.println("assert is on");
7.    }
8.    }
9.    }
If class Donkey is invoked twice, the first time without assertions enabled, and the second time with assertions enabled, what are the results?
 

Option A

A.    no output

 

Option B

B.    no output
assert is on
 

Option C

C.    assert is on
 

Option D

D.    no output
An AssertionError is thrown.
 

Option E

E.    assert is on
An AssertionError is thrown.

Correct Answer D
Explanation

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