Flow Control Questions with Answers in Java | Page 2

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.

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Q11

What data types can a switch statement operate on in Java?

A int, String, enum
B long only
C float only
D boolean only

Answer: Option A

Explanation: switch supports int, byte, short, char, String, enum.

Q12

Which keyword is used to test multiple conditions?

A switch
B if-else
C goto
D check

Answer: Option B

Explanation: if-else handles multiple branching conditions.

Q13

Which operator checks both conditions must be true?

A ||
B &&
C !
D =

Answer: Option B

Explanation: && is logical AND.

Q14

Which loop executes zero or more times?

A do-while
B for
C both for and while
D none

Answer: Option C

Explanation: for and while run only if condition is true.

Q15

What will “continue” inside a for-loop do?

A exit loop
B restart program
C skip to next iteration
D stop JVM

Answer: Option C

Explanation: continue ignores remaining code in that iteration.

Q16

Which statement is illegal in switch?

A break
B default
C continue
D case

Answer: Option C

Explanation: continue cannot be used to control switch flow.

Q17

What is used to repeat a block until a condition becomes false?

A class
B loop
C method
D exception

Answer: Option B

Explanation: loops manage repeated execution.

Q18

Which statement returns control to the caller method?

A break
B end
C return
D exit

Answer: Option C

Explanation: return ends method execution.

Q19

The condition inside an if statement must be a:

A float
B boolean
C int
D char

Answer: Option B

Explanation: Java if requires a boolean expression.

Q20

Which keyword is used to label loops?

A mark
B tag
C label
D none (user-defined name)

Answer: Option D

Explanation: Labels in Java are user-defined identifiers.

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Flow Control Questions and Answers

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