猜价格

import java.util.Scanner;

public class app1 {
Scanner input = new Scanner(System.in);

public void a() {
int i = (int) (Math.random() * 3) + 1;
String name = null;
switch (i) {
case 1:
name = "自行车";
break;
case 2:
name = "小汽车";
break;
case 3:
name = "公交车";
break;

}
System.out.println("请猜猜" + name + "的价格:");

}
}

import java.util.Scanner;
public class app2 {
app1 q = new app1();
Scanner input = new Scanner(System.in);
public void a() {
int s = (int) (Math.random() * 10000);
for (int i = 0; i <= 3; i++) {
int shu = input.nextInt();
if (shu == s) {
System.out.println("恭喜你猜对了!");
i=3;
break;}
else if(i < 3) {
System.out.println("再猜一次吧");
}
if(shu > s && i < 2) {
System.out.println("在小点!");
}else if (shu < s && i < 2) {
System.out.println("再大一点");
}else if(i == 3) {
System.out.println("4次没有猜对 下次吧");
}
}

}
}

public class app3 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stu
app1 a=new app1();
app2 b=new app2();
a.a();
b.a();
}

}