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我目前正在設計一個非常基本的興趣計算器。由於我對java編程語言的知識仍然非常有限,我似乎遇到了一個問題。程序中有一行,單個if語句不允許我運行該程序,很容易發現它是唯一的。問題是我一直停下來有兩個原因,其中一個我被告知是「賦值的左側必須是變量」,第二個是「插入AssignedOperator表達式」。我知道這個話題可能已經被覆蓋,但我還沒有找到適合我需求的答案,任何幫助都會很棒。賦值運算符表達式+左手必須是可變的(對於java中的整數)
package Unit_1_Review;
import java.util.Scanner;
public class Interest_Calculator_Assignement {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
double initamount, interestrate,interest2,principal,remamount;
{ int count = 1;
System.out.print("Please enter the amount you wish to borrow:");
initamount = input.nextDouble();
System.out.print("Please enter the borrowing interest rate:");
interestrate = input.nextDouble();
while (count <= 10)
{
System.out.println(count);
count+=1;
interest2 = ((initamount*interestrate)/12);
principal = ((initamount*interestrate) - interest2);
remamount = (initamount - principal);
*if (count == 2);
(remamount == initamount);*
System.out.println("Initial Amount: $" + initamount);
System.out.println("Interest Rate:" +interestrate);
System.out.format("Interest:$%.2f", interest2);
System.out.format("\nPrincipal:$%.2f", principal);
System.out.format("\nAmount Remaining:$%.2f", remamount);
System.out.println(" ");
}
}
}
}
如果(計數== 2),則需要執行 remamount = initamount; } 但這是一個基本的java問題,你應該做更多的研究 –
替換'if(count == 2); (remamount == initamount);'用'if(count == 2)remamount = initamount;'注意右括號後面的分號被刪除,第二個== ==相等性測試已被替換爲賦值運算符'='。 –