Java 将值从一个方法传递到另一个方法

为什么薪资中的值没有从薪资方法解析为佣金方法

package salesrepresentativeapp;

import java.util.Scanner;

/**
 *
 * @author Kirin
 */
public class SalesRepresentativeAPP {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        String ID;
        String name;
        int yearServiced;
        double salesVolume;

        //System.out.println("Please enter your ID : ");
       // ID = sc.nextLine();
       // System.out.println("Please enter your Name : ");
       // name = sc.nextLine();
        System.out.println("Please enter your Year of Service : ");
        yearServiced = sc.nextInt();
        System.out.println("Please enter your sales volume : ");
        salesVolume = sc.nextDouble();

        SalesRepresentative s1 = new SalesRepresentative("id", "name", yearServiced, salesVolume);

        //System.out.println("ID : " + s1.getID() + "\nName : " + s1.getName());
        System.out.println("Your total salary is : " + s1.Commision() + "\nBasic Salary is : " + s1.Salary());

    }

}

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当我没有把工资放在等式中时，这个方法很有效。但是当我把工资放在公式中时，方法返回值0.0，你首先调用佣金方法，然后在调用Salaray后编辑该值。 将您的系统更改为此

 System.out.println("Basic Salary is : " + s1.Salary() + "\nYour total salary is : " + s1.Commision());

除此之外，方法名称应以小写字符开头

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编辑：我希望我已经正确理解了您的问题。

查看您的代码，您应该做很多更改以改进。请参阅编辑的副本，我将解释

public class SalesRepresentative {

     private String ID;
     private String name;
     private int yearServiced,salary;
     private double salesVolume,commision;


    public SalesRepresentative(String ID, String name, int yearServiced, double salesVolume){
        this.ID = ID;
        this.name = name;
        this.yearServiced = yearServiced;
        this.salesVolume = salesVolume;

        salary();
        commision();
    }

    private void salary(){
        if (yearServiced >=1 && yearServiced <= 5) {
            salary = 1200;
        }
        else if (yearServiced >=6 && yearServiced <= 10 ) {
            salary = 1800;
        }
        else if (yearServiced > 10) {
            salary = 2300;
        }
    }

    private void commision(){
         if (salesVolume >= 1 && salesVolume <= 99.99) {
            commision = salary + (salary * 0.05);
        }
        else if (salesVolume >= 100.00 && salesVolume <= 299.99 ) {
            commision = salary + (salary * 0.10);
        }
        else if (salesVolume >= 300.00) {
            commision = salary + (salary * 0.15);
        }
    }

    public double getCommision()
    {
        return commision;
    }

    public int getSalary()
    {
        return salary;
    }

    public String getID(){
        return ID;
    }

    public String getName(){
        return name;
    }
}

public class SalesRepresentative {

     private String ID;
     private String name;
     private int yearServiced,salary;
     private double salesVolume,commision;


    public SalesRepresentative(String ID, String name, int yearServiced, double salesVolume){
        this.ID = ID;
        this.name = name;
        this.yearServiced = yearServiced;
        this.salesVolume = salesVolume;

        salary();
        commision();
    }

    private void salary(){
        if (yearServiced >=1 && yearServiced <= 5) {
            salary = 1200;
        }
        else if (yearServiced >=6 && yearServiced <= 10 ) {
            salary = 1800;
        }
        else if (yearServiced > 10) {
            salary = 2300;
        }
    }

    private void commision(){
         if (salesVolume >= 1 && salesVolume <= 99.99) {
            commision = salary + (salary * 0.05);
        }
        else if (salesVolume >= 100.00 && salesVolume <= 299.99 ) {
            commision = salary + (salary * 0.10);
        }
        else if (salesVolume >= 300.00) {
            commision = salary + (salary * 0.15);
        }
    }

    public double getCommision()
    {
        return commision;
    }

    public int getSalary()
    {
        return salary;
    }

    public String getID(){
        return ID;
    }

    public String getName(){
        return name;
    }
}

public class SalesRepresentativeAPP {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        String ID;
        String name;
        int yearServiced;
        double salesVolume;

        System.out.println("Please enter your Year of Service : ");
        yearServiced = sc.nextInt();
        System.out.println("Please enter your sales volume : ");
        salesVolume = sc.nextDouble();

        SalesRepresentative s1 = new SalesRepresentative("id", "name", yearServiced, salesVolume);

        System.out.println("Your total salary is : " + s1.getCommision() + "\nBasic Salary is : " + s1.getSalary());

    }

}