[Java知识库]2021/11/19

小白学java的第七天！

JAVA流程控制语句

会员抽奖系统

import java.util.Scanner;
public class work{
public static void main(String[] args){
int num = (int)(Math.random()*10);
Scanner sc = new Scanner(System.in);
System.out.println(“欢迎登陆腾讯互联抽奖系统”);
System.out.println(“请输入4位会员号码:”);
String number = sc.nextLine();
int intnum = Integer.parseInt(number);
int baiwei = intnum/100%10;
if(num == baiwei){
System.out.println(“恭喜中奖”);
}else{
System.out.println(number +"," + “谢谢支持”);
}
}
}

搬桌子问题

int age = (int)(Math.random() * 10);
char sex = ‘男’;
if ((age > 7) || (age > 5 && sex == ‘男’)){System.out.println(“可以搬动桌子”);
}else {
System.out.println(“搬不了桌子,你还很小”);}