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Get Usage Memory Example
Posted on: November 13, 2008 at 12:00 AM

In this Tutorial we make you a code that helps you in understanding Get Usage Memory.

Get Usage Memory Example

In this Tutorial we make you a code that helps you in understanding Get Usage Memory. The class Memory Usage include the main method, that contain the following method -

!)Runtime.getRuntime( ).total Memory ( ) - This method return you the total amount of memory that your java program allocate inside JVM.

2)Runtime.getRuntime( ).free Memory ( ) - This method return you the total amount of free memory available that your program allocate

The variable usage memory is calculated by subtracting total memory and free memory. Finally the println print the Total, Free and Usage memory.

MemoryUsage.java


public class MemoryUsage {



  public static void main(String args[]) {



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

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

  

  long usageMemory = totalMemory - freeMemory;

  

  System.out.println("Total Memory : " + totalMemory);

  System.out.println("Free Memory  : " + freeMemory);

  System.out.println("Usage Memory : " + usageMemory);

  }

}

Output :


Total Memory : 5177344

Free Memory  : 4978792

Usage Memory : 198552

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