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Robot r = new Robot();
// °´¼ü
r.keyPress(51);
// ÊÍ·Å
r.keyRelease(51);
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public native String intern();
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Java ʱ¼ä·¶Î§ Util

 import java.util.Date;
public class TimeSpan
{
public final static TimeSpan ZERO = new TimeSpan(0);

private long _totalMilliSeconds = 0;

public TimeSpan(long totalMilliSeconds)
{
_totalMilliSeconds = totalMilliSeconds;
}

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