Java类未使用

Question

我做了一个简单的java程序,在控制台上工作,我有一个我以前从未有过的错误.我的代码中没有错误,但由于某种原因,我无法运行程序导致我从未使用的"公共类系列".

我的代码:

import java.math.BigInteger;
import java.util.Scanner;

public class serie {
public final void main(String[] args) throws Exception {
    final int BASE = 36;
    final BigInteger MODULO = new BigInteger("ZV", BASE);;
    Scanner keyboard = new Scanner(System.in);
    String strChassisNummer;
    String input = "y";

    while (input == "y"){
        try{
            System.out.print("Geef een chasis nummer in:");
            strChassisNummer = keyboard.nextLine();
            BigInteger chassisNummer = new BigInteger(strChassisNummer,
                    BASE);

            BigInteger remainder = chassisNummer.remainder(MODULO);
            System.out.print(strChassisNummer);
            System.out.print(";");
            String paddedRemainder = remainder.toString(BASE);
            if (paddedRemainder.length() == 1)
            {
                System.out.print("0" + paddedRemainder.toUpperCase());
            }
            else
            {
                System.out.print(paddedRemainder.toUpperCase());
            }
            System.out.println();
            System.out.print("Wenst u nog een chasis nummer in te geven ? (y/n): ");
            input =keyboard.nextLine();

            if (input != "y"){
                break;
            }
        }
        catch (Throwable t){
            t.printStackTrace();
        }
    }
 }
}

提前致谢 !

Answer 1

将main方法声明为static,而不是final.为什么你首先宣布它是最终的？