Flow Control -Java Programming MCQ Questions and Answers

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In Java, what is the purpose of the "if-else if-else" statement?

A) To create loops B) To define methods C) To evaluate multiple conditions and execute the corresponding block of code D) To declare variables

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Answer & Solution

Answer: Option C

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What is the output of the following code snippet?

int n = 5;
for (int i = 0; i < n; i++) {
    System.out.print(i + " ");
}

A) 5 4 3 2 1 B) 0 1 2 3 4 C) 1 2 3 4 5 D) 5 4 3 2 1 0

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Answer & Solution

Answer: Option B

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In Java, which loop is used when you want to execute a block of code at least once?

A) switch loop B) for loop C) do-while loop D) while loop

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Answer & Solution

Answer: Option C

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What does the "else" statement in an "if-else" statement block indicate?

A) A syntax error B) A comment C) The end of the if statement D) The block of code to execute if the condition is false

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Answer & Solution

Answer: Option D

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In Java, what does the "continue" statement do in a loop?

A) Skips the current iteration of a loop and continues to the next B) Exits the loop immediately C) Repeats the loop from the beginning D) Terminates the program

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Answer & Solution

Answer: Option A

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What is the purpose of the "break" statement in a "switch" statement?

A) Terminates the program B) Repeats the case statements C) Exits the loop containing the switch statement D) Exits the switch statement prematurely

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Answer & Solution

Answer: Option D

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In Java, what does the "default" case in a "switch" statement do?

A) Indicates the end of the switch statement B) Repeats the switch statement C) Provides a block of code to execute when none of the cases match D) Throws an exception

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Answer & Solution

Answer: Option C

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What is the output of the following code snippet?

int p = 3;
switch (p) {
    case 1: System.out.print("One");
    case 2: System.out.print("Two");
    default: System.out.print("Default");
}

A) Default B) OneTwoDefault C) One D) One Default

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Answer & Solution

Answer: Option B

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In Java, what is the purpose of the "for-each" loop?

A) Defining methods B) Declaring variables C) Iterating over elements of an array or collection D) Performing mathematical calculations

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Answer & Solution

Answer: Option C

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Which keyword is used to exit a loop in Java?

A) continue B) return C) exit D) break

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Answer & Solution

Answer: Option D

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