Java String.split()注意点

//String[] aa = "aaa|bbb|ccc".split("|");//错误

String[] aa = "aaa|bbb|ccc".split("\\|"); //正确
 for (int i = 0 ; i <aa.length ; i++ ) {

   System.out.println("--"+aa[i]); 

}

“.”和“|”都是转义字符,必须得加"\\";