【Java开源代码栏目提醒】:本文主要为网学会员提供makechecknum.java,希望对需要makechecknum.java网友有所帮助,学习一下!
package com.safe.UserLogon;
public class makechecknum {
private String checknum;
public makechecknum(){}
public void makenum(){
String sourcenum="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
String siglenum="";
String checknum="";
int index=0;
int i=0;
while(i<4){
index=(int)(Math.random()*100)%35;
siglenum=sourcenum.substring(index,index+1);
checknum+=siglenum;
i++;
}
this.checknum=checknum;
}
public String getChecknum(){
return this.checknum;
}
}