Simple StopWatch

/**
 * Copyright (c) 2012, Ulrich Krause
 * 
 * StopWatch.java is free software; you can redistribute it and/or modify it
 * under the terms of the Apache License
 */

public class StopWatch {

	private long startTime = 0;
	private long stopTime = 0;
	private boolean running = false;

	public void start() {
		this.startTime = System.currentTimeMillis();
		this.running = true;
	}

	public void stop() {
		this.stopTime = System.currentTimeMillis();
		this.running = false;
	}

	/**
	 * @description elaspsed time in milliseconds
	 * @return long
	 */
	// 
	public long getElapsedTime() {
		long elapsed;
		if (running) {
			elapsed = (System.currentTimeMillis() - startTime);
		} else {
			elapsed = (stopTime - startTime);
		}
		return elapsed;
	}

	/**
	 * @description elaspsed time in seconds
	 * @return long
	 */
	public long getElapsedTimeSecs() {
		long elapsed;
		if (running) {
			elapsed = ((System.currentTimeMillis() - startTime) / 1000);
		} else {
			elapsed = ((stopTime - startTime) / 1000);
		}
		return elapsed;
	}
}

Sample usage

        StopWatch s = new StopWatch();
        s.start();
        //code you want to time goes here
        s.stop();
        System.out.println("elapsed time in milliseconds: " + s.getElapsedTime());




Java
Ulrich Krause
September 29, 2012 9:59 AM
Rating
63

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