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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
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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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   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. JavaCore Java
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Ans. Java 7

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   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 Java2017-07-24 13:10:25

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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   Like         Discuss         Correct / Improve     switch  if vs switch


 Q4. What is context switching wrt Threads in Java?Core Java2018-07-20 17:59:54

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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   Like         Discuss         Correct / Improve     Threads  multithreading  context switching




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