What is magic number in java

Magic number in java

What is magic number in java

Term called Magic Number in java

Magic number is a hexa decimal number ( A sequence of four bytes ) used by the class loader to check weather the file is a class definition file or not.

In practice,

When the class  files are loaded form remote or copied to any means it may get lost.

So to make a solution magic number is used.

( One byte = 8 bits )

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Term magic number in programming :-

http://en.wikipedia.org/wiki/Magic_number_%28programming%29

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