加false的意思是例如StringTokenizer(string,",. ",fasle);
那么就不会返回","和"."
你在这里用StringTokenizer(s," \t\n\r,.;:");
那么在遇到"\t","\n",".",";"的时候,nextToken()也会返回。
如果加false,nextToken()在遇到上面的指定的string,会忽略掉它们。
啊。好像
默认的就是false。。不好意思:P
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