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上个月关门了。
我是一个java初学者，我写了这段代码。当我试图运行它时，它一直显示如下错误：

• 错误：不兼容的类型：从double到int的转换可能有损耗
• 错误：找不到符号

有人能解释一下我作为一个初学者如何解决这个问题吗？

public class JavaJoeWeek{

    public static void main (String[] args){

        int x = 1;
        int Money = 200;
        int Twenty, Ten, Toonie, Loonie, Quarter, Dime, Nickel = 0; 
        while (x < 8){
            System.out.println("Today is day " + x + " of the week");
        if (x == 1) {
            int Cost = 30;
            int TotalCost = Cost * 1.15;
            System.out.println("The cost of the shoes is $" + TotalCost);
            Money = Money - TotalCost;
            System.out.println("The remaining budget is $" + Money );
        }
        else{
            System.out.println();
        }
        if (x == 2) {
            int CeilingArea = 12 * 7;
            System.out.println("The area of the celing is " + CeilingArea + " square meters");
            System.out.println("The remaining budget is $" + Money );
        }
        else{
            System.out.println();
        }
        if (x == 3) {
            int PaintCost = CeilingArea * 1.13;
            System.out.println("The paint cost $" + PaintCost);
            Money = Money - PaintCost;
            System.out.println("The remaining budget is $" + Money );
        }
        else{
            System.out.println();
        }
        if (x == 4) {
            int Gas = 36.40 / 0.45;
            System.out.println("Java Joe filled up his tank with " + Gas + " liters of gas");
            Money = Money - Gas;
            System.out.println("The remaining budget is $" + Money );
        }
        else{
            System.out.println();
        }
        if (x == 5) {
            System.out.println("The remaining budget is $" + Money );
        }
        else{
            System.out.println();
        }
        if (x == 6) {
            Money = Money - 23;
            System.out.println("The remaining budget is $" + Money );
        }
        else{
            System.out.println();
        }
        if (x == 7) {
            if (Money > 20) {
                Money = Money - 20;
                Twenty =  Twenty + 1;
            }
            else{
                System.out.println("Java Joe has " + Twenty + " twenty dollar bills");
            }
            if (Money > 10) {
                Money = Money - 10;
                Ten =  Ten + 1;
            }
            else{
                System.out.println("Java Joe has " + Ten + " ten dollar bills");
            }   
            if (Money > 2) {
                Money = Money - 2;
                Toonie =  Toonie + 1;
            }
            else{
                System.out.println("Java Joe has " + Toonie + " toonies");
            }
            if (Money > 20) {
                Money = Money - 20;
                Loonie =  Loonie + 1;
            }
            else{
                System.out.println("Java Joe has " + Loonie + " loonies");
            }
            if (Money > 0.25) {
                Money = Money - 0.25;
                Quarter =  Quarter + 1;
            }
            else{
                System.out.println("Java Joe has " + Quarter + " quarters");
            }
            if (Money > 0.1) {
                Money = Money - 0.1;
                Dime =  Dime + 1;
            }
            else{
                System.out.println("Java Joe has " + Dime + " dimes");
            }
            if (Money > 0.05) {
                Money = Money - 0.05;
                Nickel =  Nickel + 1;
            }
            else{
                System.out.println("Java Joe has " + Nickel + " nickels");
            }
                System.out.println("There is $" + Money + " left after the change" );
        }
        else{
                System.out.println();
        }
        x = x + 1;
        }
            
        }
        
    }

非常感谢！