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7) ThreadGroup get ThreadGroup: ·µ»Øµ±Ç°Ïß³ÌËùÊôÏß³Ì×é
8) static boolean interrupted(): ²âÊÔµ±Ç°Ïß³ÌÊÇ·ñ±»ÖжÏ
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12) void resume(): »Ö¸´Ï̵߳ÄÔËÐÐ
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15) void setName(String name): ÉèÖÃÏ̵߳ÄÃû³Æ
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