java随机数

public class LHJGame {
//alt+/ 智能补全 main方法就是启动项
public static void main(String[] args) throws Exception {
int coin=100;

System.out.println(\"剩余币数:\"+coin);
for (int i = 0; i < 10; i++) {
//换行输出字符串到控制台
System.out.println(\"请输入投币数:\");
//sc是一个专门用来获取键盘输入信息的类型
Scanner sc = new Scanner(System.in);
int b=sc.nextInt();
coin=coin-b;
Random rd=new Random();
int r1=rd.nextInt(9)+1;
int r2=rd.nextInt(9)+1;
int r3=rd.nextInt(9)+1;
System.out.println(\"*******\");
System.out.println(\"*\"+r1+\":\"+r2+\":\"+r3+\"*\"+\"!\");
System.out.println(\"*******\");
if(r1==7&&r2==7&&r3==7){
coin=coin+b*10;
System.out.println(\"恭喜你获得\"+b*10+\"的货币\");
}else if(r1==r2&&r1==r3){
coin=coin+b*3;
System.out.println(\"恭喜你获得\"+b*3+\"的货币\");
}else{
System.out.println(\"谢谢惠顾\");
}
System.out.println(\"剩余币数:\"+coin);
}
}

}

来源：https://www.cnblogs.com/adolup/p/15993261.html
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