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 Rating

Q1. What is context switching wrt Threads in 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.

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Q2. 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.

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Q3. 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 )

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Q4. 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

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