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Java Control Statements and Loops
Question 1
What will be the output of the following code?
int x = 5;
if (x > 2)
if (x > 4)
System.out.println("A");
else
System.out.println("B");
- A
A
- B
B
- C
Compilation Error
- D
No Output
Question 2
How many times will the following loop execute?
int i = 1;
while (i <= 5) {
System.out.println("Hello");
}
- A
5 times
- B
6 times
- C
Infinite times
- D
Compilation Error
Question 3
What is the output of the following Java code?
for (int i = 0; i < 5; i++) {
if (i == 2)
break;
System.out.print(i + " ");
}
- A
0 1 2 3 4
- B
0 1
- C
0 1 2
- D
No Output
Question 4
What is the correct syntax for a do-while loop in Java?
- A
do { } while (condition);
- B
while (condition) { }
- C
do (condition) { }
- D
while { condition };
Question 5
What will be the output of the following nested loop?
for (int i = 1; i <= 3; i++) {
for (int j = 1; j <= 2; j++) {
System.out.print(i + "," + j + " ");
}
}
- A
1,1 1,2 2,1 2,2 3,1 3,2
- B
1,1 2,1 3,1 1,2 2,2 3,2
- C
1,1 1,2 1,3 2,1 2,2 2,3
- D
Compilation Error
Question 6
What happens if the condition in an if statement is false?
- A
It throws an error
- B
Else block runs (if available)
- C
Code inside if runs
- D
Program exits
Question 7
Which loop guarantees execution at least once?
- A
for
- B
while
- C
do-while
- D
foreach
Question 8
Which keyword is used to skip the current iteration in a loop?
- A
break
- B
exit
- C
continue
- D
skip
Question 9
What is the correct structure for a switch-case block?
- A
switch {}
- B
switch:
- C
switch() {}
- D
switch[]
Question 10
Which loop is the best suited for traversing arrays directly?
- A
for
- B
while
- C
do-while
- D
for-each
There are 10 questions to complete.
