Java program to find total memory space and free memory after executing garbage collector.
Below code is used to execute garbage collector and free memory in java:
import java.util.*;
public class Garbage
{
public static void main(String[] args)
throws Exception
{
Runtime rs=Runtime.getRuntime();
System.out.println("Total memory is "+rs.totalMemory());
System.out.println("Free memory in JVM before garbage collection = "+rs.freeMemory());
rs.gc();
System.out.println("Free memory in JVM after garbage collection = "+rs.freeMemory());
}
}