编译时找不到符号错误。 [英] Cannot find symbol error when compiling.

问题描述

有人可以帮助我在程序中找到错误吗？当我编译它时，它给出了找不到符号错误。我已经玩了一段时间，但似乎无法理解我的错误。

Can someone help me find the error in my program? When I compile it, it gives the cannot find symbol error. I have been playing around with it for a while but cant seem to grasp my mistake.

我的主类：

public static void main(String[] args) {

    int plays;

    SlotMac machine[] = new SlotMac[3];

    machine[0] = new SlotMac(3,35,30);
    machine[1] = new SlotMac(10,100,60);
    machine[2] = new SlotMac(4,10,9);

    plays= firstmachine(machine[0]);
    System.out.println(plays);

我的其他班级：

public class SlotMac {

    int win_plays, plays;
    int times_played;
    int quarters;


    public SlotMac(int times_played, int win_plays, int quarters) {

        this.win_plays= win_plays;
        this.times_played= times_played;
        this.quarters= quarters;

    }

    public int firstmachine() {
        return plays;
    }

}

推荐答案

没有方法 firstmachine（SlotMac obj）

所以说 firstmachine（machine [0]）; 它将尝试在同一类中搜索相同的方法，但找不到。

so when you say firstmachine(machine[0]); it will try to search the same method in the same class, which it will not find.

您需要调用以下方法

machine[0].firstmachine();

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