package com.j1; public class StringTest1 { public static void main(String[] args) { String s ="商品評論審核-處方葯"; String s2=s.substring(s.lastIndexOf("-")+1);//處方葯 int i=s.lastIndexOf("-")+1;//7 String s3= s.substring(0,s.lastIndexOf("-"));//商品評論 System.out.println(s3); } }