java split 字串切割

String Line1 = "a|b|c|hello";
String Line2 = "a,b,c,hello";
String[] w1 = new String[20];
String[] w2 = new String[20];
w1 = Line1.split("\\|");
w2 = Line2.split(",");

--------
w1[0] = a
w1[1]=b