如何把一段逗号分割的字符串转换成一个数组?

1.用正则表达式，代码大概为：String [] result = orgStr.split(“,”);

2.用 StingTokenizer ,代码为：StringTokenizer tokener = StringTokenizer(orgStr,”,”);

String [] result = new String[tokener .countTokens()];

Int i=0;

while(tokener.hasNext(){result[i++]=toker.nextToken();}