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- 2012.12.26 [java] Heap Memory Size 구하기
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링크 : http://viralpatel.net/blogs/getting-jvm-heap-size-used-memory-total-memory-using-java-runtime/
/**
* Class: TestMemory
* @author: Viral Patel
* @description: Prints JVM memory utilization statistics
*/
public class TestMemory {
public static void main(String [] args) {
int mb = 1024*1024;
//Getting the runtime reference from system
Runtime runtime = Runtime.getRuntime();
System.out.println("##### Heap utilization statistics [MB] #####");
//Print used memory
System.out.println("Used Memory:"
+ (runtime.totalMemory() - runtime.freeMemory()) / mb);
//Print free memory
System.out.println("Free Memory:"
+ runtime.freeMemory() / mb);
//Print total available memory
System.out.println("Total Memory:" + runtime.totalMemory() / mb);
//Print Maximum available memory
System.out.println("Max Memory:" + runtime.maxMemory() / mb);
}
}
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