找出來。多謝你們。我知道它不是一個完美的答案,但我是新來的Java。Java字符串輸入比較
包Dr._Coles_Practice_Problems;
import java.util.Scanner;
公共類GpaCalc {
public static void main(String[] args) {
// Needed variables
double credits = 0.0;
double totalcredits = 0.0;
double grade = 0.0;
double qualitypoints = 0;
int classes;
String lettergrade;
Scanner input = new Scanner(System.in);
System.out.println("Enter the amount of classes for this semester");
classes = input.nextInt();
while (classes > 0) {
System.out.println("Enter the amount of credits for this class");
credits = input.nextDouble();
System.out.println("Enter the grade achieved for this class");
lettergrade = input.next();
if (lettergrade.equalsIgnoreCase("a")) {
grade += 4.00;
}
if (lettergrade.equalsIgnoreCase("a-")) {
grade += 3.67;
}
if (lettergrade.equalsIgnoreCase("b+")) {
grade += 3.33;
}
if (lettergrade.equalsIgnoreCase("b")) {
grade += 3.00;
}
if (lettergrade.equalsIgnoreCase("b-")) {
grade += 2.67;
}
if (lettergrade.equalsIgnoreCase("c+")) {
grade += 2.33;
}
if (lettergrade.equalsIgnoreCase("c")) {
grade += 2.00;
}
if (lettergrade.equalsIgnoreCase("c-")) {
grade += 1.67;
}
if (lettergrade.equalsIgnoreCase("d+")) {
grade += 1.33;
}
if (lettergrade.equalsIgnoreCase("d")) {
grade += 1.00;
}
if (lettergrade.equalsIgnoreCase("f")) {
grade += 0.00;
}
classes--;
totalcredits += credits;
}
qualitypoints = grade * credits;
// GPA is calculated via total credits/total quality points
//of which are calculated by multiplying the credit(s) * the quality point value
System.out.println("Your total credit(s)are: " + totalcredits);
System.out.println("Your total quality points are: " + qualitypoints);
System.out.println("Your GPA is: " + (qualitypoints/totalcredits));
}
}
/*
布魯斯堡大學的等級水平
A = 4.00高人
A- = 3.67
B + = 3.33
B = 3.00以上的平均素養
B- = 2.67
C + = 2.33
C = 2.00平均素養
C- = 1.67
D + = 1.33
d = 1.00最小到達
F = 0.00故障
*/
僅供參考,在未來,如果你說的是不對的(編譯錯誤,運行時錯誤,這將有助於,輸出不正確等) –
我只是在做自動更正對我說的話。低於15個徽章...編輯您的帖子,否則等待6個小時發佈它的最終版本。 – Espryon