Execution Time Measurement Example in Java

ExecutionTimeMeasurementExample.java

public class ExecutionTimeMeasurementExample {
    public static void main(String[] args) throws InterruptedException {
        long startTime = System.currentTimeMillis();
        sleepFunction(1000);
        sleepFunction(1000);
        long endTime = System.currentTimeMillis();
        System.out.println("Program took " + (endTime - startTime) + " ms to complete");
    }

    private static void sleepFunction(int milliSecondsToSleep) throws InterruptedException {
        long startTime = System.currentTimeMillis();
        Thread.sleep(milliSecondsToSleep);
        long endTime = System.currentTimeMillis();
        System.out.println("My job done in " + (endTime - startTime) + " ms");
    }
}