timer.java

来自「OA典型例子」· Java 代码 · 共 36 行

/*
 * Timer.java
 * Copyright (c) 2000-2001 Brad D Matlack.
 * License http://www.gnu.org/copyleft
 */

package com.sure.util;

/**
 * Timer
 */
public class Timer {
    long t;

    /** constructor */
    public Timer() {
        reset();
    }

    /** reset timer */
    public void reset() {
        t = System.currentTimeMillis();
    }

    /** return elapsed time */
    public long elapsed() {
        return System.currentTimeMillis() - t;
    }

    /** print explanatory string and elapsed time */
    public void print(String s) {
        System.out.println(s + ": " + elapsed());
    }
}