stopwatch.java

来自「高质量Java程序设计 源代码」· Java 代码 · 共 16 行

package net.betterjava.performance;

public class StopWatch {
	private long startTime;
	private long endTime;
	public void start() {
		startTime = System.currentTimeMillis();
	}
	public void stop() {
		endTime = System.currentTimeMillis();
	}
	public long getTimeElapsed() {
		return (endTime - startTime);
	}
}