生成随机码的程序源码

package com.general;

import java.util.Random;

public class CheckNumber {

/**
* 取得5位随机码
*
* @return 产生的随机码
*/
public String getCode(){
StringBuffer str = new StringBuffer();
Random rdm = new Random();
for (int i=0;i<5;i++){
str.append(rdm.nextInt(9));
}
return str.toString();
}
/*
public static void main(String[] args) {
System.out.println("应用程序打包测试");
CheckNumber cn = new CheckNumber();
System.out.println(cn.getCode());
}
*/
}