案例
import java.util.Scanner;
public class Test01 {
public static void main(String[] args) {
//键盘录入一个星期数,通榆变量接收
Scanner scanner = new Scanner(System.in);
System.out.println("请输入一个星期数: ");
int week = scanner.nextInt();
//对星期数进行判断,这里用if语句实现
if(week<1||week>7){
System.out.println("你输入的星期数有误");
}else if(week==1){
System.out.println("跑步");
}else if(week==2){
System.out.println("游泳");
} else if(week==3){
System.out.println("健身");
}else if(week==4){
System.out.println("散步");
}else if(week==5){
System.out.println("唱歌");
}else if(week==6){
System.out.println("打游戏");
}else if(week==7){
System.out.println("吃大餐");
}
}
}
import java.util.Scanner;
public class Test02 {
public static void main(String[] args) {
//键盘录入一个星期数,通榆变量接收
Scanner scanner = new Scanner(System.in);
System.out.println("请输入一个星期数: ");
int week = scanner.nextInt();
//对星期数进行判断,用Switch语句实现
switch (week){
case 1:
System.out.println("跑步");
break;
case 2:
System.out.println("游泳");
break;
case 3:
System.out.println("干饭");
break;
case 4:
System.out.println("散步");
break;
case 5:
System.out.println("爬山");
break;
case 6:
System.out.println("打游戏");
break;
case 7:
System.out.println("睡大觉");
break;
default:
System.out.println("你输入的星期数有误");
}
}
}