How to Get Total Memory of JVM in Java


In this example, we will learn how to get amount of total memory in the Java Virtual Machine(JVM) with totalMemory method of Runtime class.

Source Code

package com.beginner.examples;


public class TotalMemoryExample {

    public static void main(String[] args){
    	
    	Runtime run = Runtime.getRuntime();
    	
    	//get totalMemory
    	long memory = run.totalMemory();
		 
		System.out.println(memory + " bytes total in JVM.");
    }
    
}

Output:

128974848 bytes total in JVM.
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