package?com.imooc.collection;

import?java.util.ArrayList;
import?java.util.Collections;
import?java.util.List;
import?java.util.Random;

/**
?*?Created?by?Songpan?on?2016/8/21.
?*/
public?class?RandomString?{
????public?static?String?getRandowString(int?length){
????????String?base?=?"abcdefghigklmnopqrstuvwxyz0123456789";
????????Random?random?=?new?Random();
????????StringBuffer?stringBuffer?=?new?StringBuffer();
????????for?(int?i?=?0;?i?<?length;?i++)?{
????????????int?number?=?random.nextInt(base.length());
????????????stringBuffer.append(base.charAt(number));
????????}
????????return?stringBuffer.toString();
????}

????public?static?void?main(String[]?args)?{
????????List<String>?sortRandomString?=?new?ArrayList<String>();
????????Random?random?=?new?Random();
????????int?length;
????????for?(int?i?=?0;?i?<?10;?i++)?{
????????????length?=?random.nextInt(10)+1;
????????????sortRandomString.add(getRandowString(length));
????????}
????????Collections.sort(sortRandomString);
????????for?(String?s?:?sortRandomString)?{
????????????System.out.println(s);
????????}
????}
}