JAVA

how to calculate time taken by java program

long start = System.currentTimeMillis();
// some time passes
long end = System.currentTimeMillis();
long elapsedTime = end - start;

how to get the time in java

// get current time in java using LocalTime.now() method 
import java.time.LocalTime;
public class UsingLocalDate
{
   public static void main(String[] args)
   {
      System.out.println(LocalTime.now());
     // hr : min : sec.fimto sec
   }
}

calculate time java

System.out.println(LocalTime.now());