Flow Control Questions with Answers in Java | Page 3

Flow control in Java determines the order in which statements, instructions, or functions are executed during program execution. It includes loops, conditional statements, and branching structures. Understanding Java flow control is essential for writing efficient and bug-free programs. In technical interviews and competitive exams, programming questions and answers related to flow control help assess a candidate’s logical thinking and problem-solving ability. Practice Java MCQs and coding challenges that involve conditional constructs, nested loops, and exception handling to strengthen your understanding. This topic is particularly relevant for companies like TCS, Infosys, and Capgemini.

Showing 10 of 29 questions

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Q21

What happens if the loop condition is always true?

A compile error
B infinite loop
C program stops
D JVM crash

Answer: Option B

Explanation: A true condition means loop never ends.

Q22

Which operator is used for NOT condition?

Answer: Option C

Explanation: ! reverses boolean values.

Q23

Which control statement chooses one block among many?

A if
B if-else-if
C try-catch
D import

Answer: Option B

Explanation: if-else-if supports multi-branching.

Q24

In a for-loop, what part is optional?

A condition only
B initialization only
C update only
D all three

Answer: Option D

Explanation: Java allows all 3 sections optional in a for loop.

Q25

What will happen if break is missing in a switch case?

A compile error
B logical error
C fall-through
D program stops

Answer: Option C

Explanation: Without break, cases fall-through sequentially.

Q26

Which loop is preferred when condition checking is needed before entering loop?

A for
B while
C do-while
D switch

Answer: Option B

Explanation: while checks the condition first.

Q27

Which keyword handles multiple fixed value matching?

A switch
B if
C throws
D try

Answer: Option A

Explanation: switch compares expressions to multiple cases.

Q28

What type of loop is this? for(;;)

A invalid
B infinite loop
C while loop
D do-while loop

Answer: Option B

Explanation: All sections empty = infinite loop.

Q29

Which statement is used to transfer program control based on expression value?

A break
B switch
C return
D if

Answer: Option B

Explanation: switch allows control flow based on value matching.

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Flow Control Questions and Answers

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