変数を含む数式の簡単な数学計算を実行しようとしました。ただし、変数の型が一致しないことを示すエラーがコンパイラに表示されます。変数の型をキャストして変更しようとしましたが、うまくいきません。コードの基本的な形式を破壊せずにこれを修正するにはどうすればよいですか。
私はJavaの経験がないので、どんなポインタでも役に立ちます。
これがコードです。お金の変換プログラム用です。エラーは、コードの 2 番目の部分、else 部分にあります。
import java.util.Scanner;
public class MConvert
{
public static void main (String[] args)
{
int penny, nickel, dime, quarter, halfDollar, dollar, fiveDollar, tenDollar, twentyDollar, fiftyDollar, hundredDollar;
//can sub $ sign for dollar in variable, convention otherwise
double totalMoney;
Scanner scan = new Scanner (System.in);
System.out.println ("Are you converting to the total? If so, type true. \nIf you are converting from the total, then type false.");
boolean TotalorNot = true;
TotalorNot = scan.nextBoolean();
if (TotalorNot) {
System.out.println ("Type in the number of one-hundred dollar bills.");
hundredDollar = scan.nextInt();
System.out.println ("Type in the number of fifty dollar bills.");
fiftyDollar = scan.nextInt();
System.out.println ("Type in the number of twenty dollar bills.");
twentyDollar = scan.nextInt();
System.out.println ("Type in the number of ten dollar bills.");
tenDollar = scan.nextInt();
System.out.println ("Type in the number of five dollar bills.");
fiveDollar = scan.nextInt();
System.out.println ("Type in the number of one dollar bills or coins.");
dollar = scan.nextInt();
System.out.println ("Type in the number of half-dollar coins.");
halfDollar = scan.nextInt();
System.out.println ("Type in the number of quarter-dollar coins.");
quarter = scan.nextInt();
System.out.println ("Type in the number of dimes.");
dime = scan.nextInt();
System.out.println ("Type in the number of nickels.");
nickel = scan.nextInt();
System.out.println ("Type in the number of pennies coins.");
penny = scan.nextInt();
totalMoney = (hundredDollar * 100) + (fiftyDollar * 50) + (twentyDollar * 20) + (tenDollar * 10) + (fiveDollar * 5) + (dollar * 1) + ((double)halfDollar * 0.5) + ((double)quarter * 0.25) + ((double)dime * 0.1) + ((double)nickel * 0.05) + ((double)penny * 0.01);
System.out.println ("Here is total monetary value of the bills and coins you entered: " + totalMoney);
} else {
System.out.println ("Type in the total monetary value:");
totalMoney = scan.nextDouble();
hundredDollar = ((int)totalMoney / 100);
fiftyDollar = ((int)totalMoney - (hundredDollar * 100)) / 50;
twentyDollar = ((int)totalMoney - (fiftyDollar * 50)) / 20;
tenDollar = ((int)totalMoney - (twentyDollar * 20)) / 10;
fiveDollar = ((int)totalMoney - (tenDollar * 10)) / 5;
dollar = ((int)totalMoney - (fiveDollar * 5)) / 1;
(double) halfDollar = (totalMoney - (dollar * 1)) / 0.5;
quarter = ((int)totalMoney - (halfDollar * 0.5)) / 0.25;
dime = ((int)totalMoney - (quarter * 0.25)) / 0.1;
nickel = ((int)totalMoney - (dime * 0.1)) / 0.05;
penny = ((int)totalMoney - (nickel * 0.05)) / 0.01;
System.out.println (hundredDollar + " hundred dollar bills");
System.out.println (fiftyDollar + " fifty dollar bills");
System.out.println (twentyDollar + " twenty dollar bills");
System.out.println (tenDollar + " ten dollar bills");
System.out.println (fiveDollar + " five dollar bills");
System.out.println (dollar + " one dollar bills or coins");
System.out.println (halfDollar + " half-dollar coins");
System.out.println (quarter + " quarter-dollar coins");
System.out.println (dime + " dimes");
System.out.println (nickel + " nickel");
System.out.println (penny + " penny");
}
}
}