Question

我用两个参数实例化一个对象。在尝试传递另一个值时（变量＆＃34;兴趣＆＃34;）。

我收到错误：

error: cannot find symbol
    investor1.initialize(interest);
             ^

symbol：方法初始化（double） location：投资者类型的可变投资者1 1错误

工具已完成，退出代码为1

我需要创建另一个对象吗？或者传递这个值的正确方法是什么？

    public static void main(String[] args){

    Scanner stdIn = new Scanner(System.in);

    Investor investor1 = new Investor (1001, 2000); //

    System.out.print("Please enter the Annual Interest Rate you hope to earn; ");
    double interest = stdIn.nextDouble();

    investor1.initialize(interest); //here is where I get the error.

    System.out.println("Monthly balances for one year with " + interest + " annual interest:");
    System.out.printf("\n%s\t%s\t%s", "Month", "Account #", "Balance");
    System.out.printf("\n%s\t%s\t%s\n", "-----", "---------", "-------");



    for (int i = 0; i < 12; i++){

        System.out.printf("\n%5d\t%9d\t%7.2f", i, investor1.getAccount(),investor1.getBalance());
    }

代码的第二部分：

    public class Investor{

    private double interest;
    private final int Account_Number;
    private double balance;
    //***********************************************************
    public Investor(int account, double bal){
        this.Account_Number = account;
        this.balance = bal;
    }
   //********************************************************************
    public void initialize(double temp){
        this.interest = temp;
    }

    public double getInt(){
        return interest;
    }

    public int getAccount(){
        return this.Account_Number;
    }

    public double getBalance(){
        return this.balance;
    }
}//end of investor

感谢您的帮助

Answer 1

我重建了你的代码如下，错误消失了（也是可执行的）。请看看你是否可以毫无例外地运行它：

import java.util.Scanner;

public class Investor {

    public static void main(String[] args) {

        Scanner stdIn = new Scanner(System.in);
        Investor investor1 = new Investor(1001, 2000); //

        System.out.print("Please enter the Annual Interest Rate you hope to earn; ");
        double interest = stdIn.nextDouble();

        investor1.initialize(interest); // here is where I get the error.

        System.out.println("Monthly balances for one year with " + interest + " annual interest:");
        System.out.printf("\n%s\t%s\t%s", "Month", "Account #", "Balance");
        System.out.printf("\n%s\t%s\t%s\n", "-----", "---------", "-------");

        for (int i = 0; i < 12; i++) {

            System.out.printf("\n%5d\t%9d\t%7.2f", i, investor1.getAccount(), investor1.getBalance());
        }
    }

    private double interest;
    private final int Account_Number;
    private double balance;

    // ***********************************************************
    public Investor(int account, double bal) {
        this.Account_Number = account;
        this.balance = bal;
    }

    // ********************************************************************
    public void initialize(double temp) {
        this.interest = temp;
    }

    public double getInt() {
        return interest;
    }

    public int getAccount() {
        return this.Account_Number;
    }

    public double getBalance() {
        return this.balance;
    }
}// end of investor

错误：传递值时无法找到符号

1 个答案: