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{
 char x=string.CharAt£¨i£©;
 if(Character.isDigit£¨i£©==true){
 //xÀàÐÍת»»È»ºóͳ¼Æ
 }
}
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  String str2="300.25Hour";
  String regex="[a-zA-Z]";
  
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  String cc=str2.substring(bb.length(), str2.length());
  
  System.out.println(bb+"   "+cc);


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package com.svse.dao;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
public class UserDAO {
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public int addUser(String username,int userage)
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