Core Java - Interview Questions and Answers for 'Switch' | Search Interview Question

Core Java - Interview Questions and Answers for 'Switch' - 4 question(s) found - Order By Newest

Q1. What data type Variable can be used in a switch statement ?

Core Java

Ans. Variables used in a switch statement can only be a byte, short, int, or char ( and String with Java 7 and above )

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve java switch variable data type basic rare}

Q2. Strings in switch were introduced in Which Java version ? a. Java 5 b. Java 6 c. Java 7 d. Java

Core Java

Ans. Java 7

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve java switch string in switch}

Q3. Difference between if and switch ? Can we replace all switch statements with if statements ?

Core Java

Ans. if statement is used to do 2 direction branching whereas switch is used to do multi direction branching in Java.

Yes we can replace all switch statements with nested if statements.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve switch if vs switch}

Q4. What is context switching wrt Threads in Java?

Core Java

Ans. Context Switching is the process of storing and restoring of CPU state so that Thread execution can be resumed from the same point at a later point of time.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve Threads multithreading context switching}

Search Interview Questions

Help us and Others Improve. Please let us know the questions asked in any of your previous interview.