?? nanotimer.java
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/* * NanoTimer.java * Copyright (C) 2005 * * $Id: NanoTimer.java,v 1.1 2005/07/01 14:11:00 hzi Exp $ */package jake2.sys;public class NanoTimer extends Timer { private long base; NanoTimer() { base = System.nanoTime(); } public long currentTimeMillis() { long time = System.nanoTime(); long delta = time - base; if (delta < 0) { delta += Long.MAX_VALUE + 1; } return (long)(delta * 0.000001); }}?? 快捷鍵說明
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