Midterm Examination

What is the syntax for a basic for loop in Java?

• for (int i = 0; i < 10; i++)

• for (i = 0; i < 10; i++)

• for (i = 0; i <= 10; i++)

• for (int i = 1; i <= 10; i++)

What is the output of the following for loop?

for (int i = 0; i < 5; i++) {

System.out.print(i + " ");}

• 0 1 2 3 4 5

• 1 2 3 4 5 6

• 0 1 2 3 4 5 6

• no output

What happens if you omit the initialization expression in a for loop?

• The loop will not execute.

• The loop will execute indefinitely.

• The loop will throw an error.

• The loop will execute once.

Which of the following is true about the for-each loop in Java?

• It can only be used with arrays.

• It can only be used with collections.

• It can be used with both arrays and collections.

• It can be used with any type of data structure.

What is the output of the following for loop?

for (int i = 10; i > 0; i -= 2) {

System.out.print(i + " ")}

• 2 4 6 8 20

• 10 8 6 4 2

• 9 7 5 3 1

• 1 3 5 7 9

What is the purpose of the continue statement in a for loop?

• It breaks out of the loop completely.

• It skips the current iteration of the loop.

• It goes to the next iteration of the loop.

• It repeats the current iteration of the loop.

What is the output of the following for loop?

for (int i = 0; i < 10; i++) {

if (i == 5) {

break;

}

System.out.print(i + " ");

}

• 0 1 2 3 4 5 6 7 8 9

• 0 1 2 3 4

• 5 6 7 8 9

• Nothing is printed.

Which of the following for loops will execute at least once?

• for (int i = 0; i < 5; i++)

• for (int i = 1; i <= 10; i += 2)

• for (int i = 5; i > 5; i++)

• for (int i = 10; i >= 0; i--)

Which of the following statements is true about the for loop control variable?

• It must be declared as a double data type

• It must be declared outside the for loop

• It is accessible only within the for loop

• It is automatically incremented by 1 at the end of each iteration of the loop

What is the purpose of the initialization statement in a for loop?

• To specify the number of times the loop will execute

• To check if the loop should continue executing

• To set the initial value of the loop counter variable

• To set the initial value of the loop counter variable