Flow Control Questions and Answers
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.
Flow Control
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29 questions
21. What happens if the loop condition is always true?
- compile error
- infinite loop
- program stops
- JVM crash
23. Which control statement chooses one block among many?
- if
- if-else-if
- try-catch
- import
24. In a for-loop, what part is optional?
- condition only
- initialization only
- update only
- all three
25. What will happen if break is missing in a switch case?
- compile error
- logical error
- fall-through
- program stops
26. Which loop is preferred when condition checking is needed before entering loop?
- for
- while
- do-while
- switch
28. What type of loop is this? for(;;)
- invalid
- infinite loop
- while loop
- do-while loop
29. Which statement is used to transfer program control based on expression value?
- break
- switch
- return
- if