Which of the following can be used in the expression after keyword case? A. a co
ID: 3851507 • Letter: W
Question
Which of the following can be used in the expression after keyword case?
A. a constant integral expression.
B. a character constant.
C. a constant.
D. an enumeration constant.
Q2. Which statement below is not true?
Q3. Consider the classes below:
public class TestA
{
public static void main(String args[])
{
int x = 2;
int y = 20
int counter = 0;
for (int j = y % x; j < 100; j += (y / x))
counter++;
}
}
public class TestB
{
public static void main(String args[])
{
int counter = 0;
for (int j = 10; j > 0; --j)
++counter;
}
}
Which of the following statements is true?
A and B.Explanation / Answer
Q1. Which of the following can be used in the expression after keyword case?
Answer: All.
After case keyword, we can use below all options.
A. a constant integral expression.
B. a character constant.
C. a constant.
D. an enumeration constant.
Q2. Which statement below is not true?
Answer:
B. Structured programming requires four forms of control.
Question 3
Answer:
D. The value of counter will be the same at the end of each for loop for each class. But the value of j will be different for each loop for all iterations.
At the end of each for loop, the counter value is 10 and j value is different for both the for loop iterations.
TestA class for loop, j values are follows
10
20
30
40
50
60
70
80
90
TestB class for loop, j value values are
9
8
7
6
5
4
3
2
1
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