Java Loops MCQs with answers Page - 7

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Q. Which of the following is true about labeled loops in Java?

  • (A) Only for loops can be labeled
  • (B) You can use break with a label
  • (C) You cannot use labels
  • (D) Only while loops can use labels

A

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Q. What happens when break is executed in a nested loop?

  • (A) Exits both loops
  • (B) Exits the outer loop
  • (C) Exits the inner loop
  • (D) Restarts the outer loop

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Q. Which loop condition will cause the loop to terminate immediately?
while(?)

  • (A) true
  • (B) false
  • (C) i > 0
  • (D) i == 1

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Q. What is the purpose of the update expression in a for loop?

  • (A) To end the loop
  • (B) To initialize variables
  • (C) To increment or modify loop control variables
  • (D) To check conditions

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Q. Which of the following can replace the update part in a for loop?
for (int i = 0; i < 5; ?)

  • (A) i = i + 1
  • (B) i++
  • (C) ++i
  • (D) All of the above

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Q. What is the result?
for (int i = 0; i < 1; i--)

  • (A) Prints 0
  • (B) Prints nothing
  • (C) Infinite loop
  • (D) Error

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Q. What is the output?
for (int i = 0; i <= 2; i++) {
for (int j = 0; j <= 1; j++) {
System.out.print(i + j);
}
}

  • (A) 011223
  • (B) 0123
  • (C) 112233
  • (D) 012123

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Q. Which is not a loop type in Java?

  • (A) for
  • (B) while
  • (C) loop
  • (D) do-while

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Q. Which of these is NOT necessary in a for loop?

  • (A) Initialization
  • (B) Condition
  • (C) Update
  • (D) None of the above

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