import java.util.Scanner;
public class Test {
private static void inputString() {
System.out.println("請輸入學員的第壹個字母：");
Scanner scan = new Scanner(System.in);
String input = scan.next();
if (input.substring(0,1).equalsIgnoreCase("E")) {
System.out.println("優秀");
}else if (input.substring(0,1).equalsIgnoreCase("G")) {
System.out.println("良好");
}else if (input.substring(0,1).equalsIgnoreCase("s")) {
System.out.println("中等");
}else if (input.substring(0,1).equalsIgnoreCase("f")) {
System.out.println("不合格");
}else {
System.out.println("輸入錯誤，無法轉換！");
}
System.out.println("");
System.out.println("妳想繼續嗎？(y/n)");
Scanner inputStrs = new Scanner(System.in);
if (inputStrs.next().equalsIgnoreCase("y")) {
inputString();
}else{
System.out.println("退出系統！");
}
}
public static void main(String[] args) {
System.out.println("******歡迎使用學員狀態轉換器******");
inputString();
}
}