java截取字符串

1. public class Temp {

   public static void main(String[] args) {

   String a="dsadgafa34";

   System.out.println(a.substring(5));

   System.out.println(a.substring(5, 6));

2. String b = new String("01:大汽车");
   String c[]=b.split(":");

   System.out.println(c[0]);
   System.out.println(c[1]);
   }
   }