1 package cn.bdqn.com;
2
3 import java.util.Scanner;
4
5 public class Jisaunqi {
6 int num1;
7 int num2;
8 int jieguo;
9 public void show(){
10 Scanner input=new Scanner(System.in);
11 String fuhao1=input.next();
12 char fuhao2=fuhao1.charAt(0);
13
14 switch(fuhao2){
15 case '+':
16 jieguo=num1+num2;
17 break;
18 case '-':
19 jieguo=num1-num2;
20 break;
21 case '*':
22 jieguo=num1*num2;
23 break;
24 case '/':
25 jieguo=num1*num2;
26 }
27 System.out.println(num1+fuhao1+num2+"="+jieguo);
28 }
29 public static void main(String[] args) {
30 Scanner input=new Scanner(System.in);
31 Jisaunqi ji=new Jisaunqi();
32 System.out.println("请输入第一个数");
33 ji.num1=input.nextInt();
34 System.out.println("请输入第二个数");
35 ji.num2=input.nextInt();
36 System.out.println("请输入运算符");
37 ji.show();
38
39
40 }
41
42 }
package cn.bdqn.com;
public class Autolion {
String color="黄色";
public void run(){
System.out.println("正在以0.1米/秒的速度向前奔跑.");
}
public String bark(){
String sound="大声吼叫";
return sound;
}
public String getColor(){
return color;
}
public String showLion(){
return "这是一个"+getColor()+"的玩具狮子!";
}
public static void main(String[] args) {
Autolion lion=new Autolion();
String info=lion.showLion();
System.out.println(info);
lion.run();
System.out.println(lion.bark());
}
}
