求随机数个十百千位

public class 求随机数个十百千位{ public static void main(String[] args){ int random = (int)(Math.random()*10000); System.out.println("random为: " + random); System.out.println("random的个位数为: " + random % 10); //求个位数 System.out.println("random的十位数为: " + random % 100 /10); //求十位数 System.out.println("random的百位数为: " + random % 1000 /100); //求百位数 if(random >= 1000){ System.out.println("random的千位数为: " + random % 10000 /1000); //求千位数 } }}