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home / developersection / interviews / how to change the heap size of a jvm ?
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Anonymous User
Anonymous User 13 Jul 2015
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The old generation's default heap size can be overridden by using the -Xms and -Xmx switches to specify the initial and maximum sizes respectively:

Format - java -Xms <initial size> -Xmx <maximum size> program
Example - java -Xms64m -Xmx128m Myprogram
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