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    2) static Thread currentThread(): ·µ»Øµ±Ç°Ï̵߳ĶÔÏóÒýÓÃ
    3£©void destroy(): ½áÊøÏ̵߳ÄÔËÐÐ
    4) String getName()£º·µ»Øµ±Ç°Ï̵߳ÄÃû³Æ
    5) int getPriority():·µ»Øµ±Ç°Ï̵߳ÄÓÅÏȼ¶
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    7) ThreadGroup get ThreadGroup: ·µ»Øµ±Ç°Ïß³ÌËùÊôÏß³Ì×é
    8) static boolean interrupted(): ²âÊÔµ±Ç°Ïß³ÌÊÇ·ñ±»ÖжÏ
    9) boolean isAlive(): ²âÊÔµ±Ç°Ïß³ÌÊÇ·ñÕýÔÚÔËÐÐ
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    14) void setDaemon(): ÉèÖÃÏß³ÌΪÊØ»¤Ïß³Ì
    15) void setName(String name): ÉèÖÃÏ̵߳ÄÃû³Æ
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