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How many java static initializer we can have how it will be executed job interview

641 views · Published 30 November 2012 · 5:16 · Indexed 21 October 2026

Channel: Interview DOT · 2012 · Science & Technology

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How many Java static initializers we can have ? Java Interview Question and Answer :

A class can have any number of static initialization blocks, and they can appear anywhere in the class body. The runtime system guarantees that static initialization blocks are called in the order that they appear in the source code.

Static blocks are also called as static initialization blocks.

Static {
///   initialization of static variables..
}

Please remember , this code will be executed when JVM loads the class. JVM combines all these blocks into one single static block and then executes. 

If you have executable statements in the static block, JVM will automatically execute these statements when the class is loaded into JVM.
If you're referring some static variables/methods from the static blocks, these statements will be executed after the class is loaded into JVM same as above.


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