找不到我的主要错误，在java上调试[duplicate]

Question

所以我在用java运行一个程序，我真的找不到主要错误这是我的代码：

public class Main

{
    public static void main(String[] args) {
        double myCheck = 50.00;
        double yourCheck = 19.95;
        double fiinalRATE = 0.15;
        System.out.println("Tips are");
        calcTip(myCheck);
        calcTip(yourCheck);
        public void calcTip(double bill);
        {
        tip = bill * fiinalRATE;
        System.out.println("The tip should be at least " + tip);
    }
}

Answer 1

你不能在另一个方法中声明一个方法。所以编译器变得疯狂了：）只要把你的calcTip（）函数移到main（）函数之外（在关闭main（）的花括号之后或在声明main（）之前）。

public class Main
{
    public static void main(String[] args) {
        double myCheck = 50.00;
        double yourCheck = 19.95;
        double fiinalRATE = 0.15;
        System.out.println("Tips are");
        calcTip(myCheck);
        calcTip(yourCheck);
    }

    public static void calcTip(double bill) {
        // fiinalRate must be declared as parameter of calcTip()
        // or as static field in Main class,
        // otherwise the code doesn't compile.
        double tip = bill * fiinalRATE;
        System.out.println("The tip should be at least " + tip);
    }
}

Answer 2

您不能在函数中声明函数。您必须将函数从main（）拉出到Main.class