day20遍历数组指定输出的数组

import java.util.Random;
public class lianxi{
public static void main(String[] args){
String[] arr={"许锦迪","白小龙","赵帅","王启明","冯赟","曹正明","杜光明","李法勇","崔超波","何仁梁","朱东洋","韩高峰","杨蒙蒙","孙翠翠","李世杰","吴超","芦肖杨","蒲文涛","朱壮志","张孟晖","吴创创","韩朋欢","顾豪","刘睿","李登","曲良芯","董振坤","舒攀科","闫平平","徐孟博","高运来","王家宝","李晓旭","郭政良","常军凯","高明","贾旺旺","马儒博","周淼","宋梦雪","周旭峰","赵鑫","胡生晓","徐豪","王玉皎","张梦雪"};
for(int i=0;i<arr.length;i++){
System.out.print((i+1)+arr[i]+" ");
}
System.out.println();
Random a=new Random();
int b=a.nextInt(arr.length);
System.out.println(arr[b]);
}
}