java library for tracking java heap size?

Question

Is there a Java library(.jar) file I can download and use the API to track the heap size for my program? If there isn't one how would I go about creating one?

This might steer you to the right direction: stackoverflow.com/questions/2163228/… — macmania314
– macmania314, Commented Apr 18, 2015 at 11:06

uraimo · Accepted Answer · 2015-04-18 11:12:28Z

2

You can use the Runtime class:

Current heap size (it can grow until the allowed maximum is reached):

long hSize = Runtime.getRuntime().totalMemory();

Maximum heap size:

long hMaxSize = Runtime.getRuntime().maxMemory();

How much of the current heap size is free:

long hFreeSize = Runtime.getRuntime().freeMemory();

edited Apr 18, 2015 at 11:12

answered Apr 18, 2015 at 11:05

uraimo

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Vladimir Kondratyev · Accepted Answer · 2015-04-22 11:45:29Z

0

java.lang.management.MemoryMXBean might be useful

answered Apr 22, 2015 at 11:45

Vladimir Kondratyev

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