import java.util.*;
public class DiffDemo {
public static void main(String args[]) {
try {
long start = System.currentTimeMillis( );
System.out.println(new Date( ) + "\n");
Thread.sleep(5*60*10);
System.out.println(new Date( ) + "\n");
long end = System.currentTimeMillis( );
long diff = end - start;
System.out.println("Difference is : " + diff);
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