Java code to display memory satus

Code
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class MemoryDetails {
public static void main(String args[]) {

// Create Runtime object
Runtime r = Runtime.getRuntime();

// Free memory in JVM
System.out.println("Free memory: " + r.freeMemory());

// Total memory in JVM
System.out.println("Total memory: " + r.totalMemory());

// Max memory JVM uses
System.out.println("Max memory: " + r.maxMemory());
}
}

Sample output

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Free memory: 15964992

Total memory: 16252928

Max memory: 259522560

Explanation

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Memory is given in the form of bytes