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();