编译完程序后，我收到了显示给我的错误消息
Resource: Employee.java
int cannot be dereferenced
代码
public Salary(int positionSalary) {
setMonthlySalary(positionSalary);
}
经过一段时间的检查后，我仍然无法修复错误。 这是我的课程，
员工
import java.util.*;
import java.lang.String.*;
public class Employee {
protected int type;
private static int staticID = 0001;
protected int id;
protected String name;
protected String ic;
protected String tel;
protected static int count = 0;
protected int editChoice=0;
private Salary salary = new Salary(0);
public Employee(){
id = -1;
name = "";
ic = "";
tel = "";
}
public Employee(int type, String name, String ic, String tel) {
this.type = type;
this.id = staticID++;
this.name = name;
this.ic = ic;
this.tel = tel;
this.salary = salary;
count++;
}
public void setId(int id){
this.id = id;
}
public int getId(){
return id;
}
public void setName(String name){
this.name = name;
}
public String getName(){
return name;
}
public void setIc(String ic){
this.ic = ic;
}
public String getIc(){
return ic;
}
public void setTel(String tel){
this.tel = tel;
}
public String getTel(){
return tel;
}
public void setSalary(int salary){
salary.setMonthlySalary(salary);
}
public double getSalary(){
return salary.getMonthlySalary();
}
public static void setCount(int count){
count =count ;
}
public static int getCount(){
return count;
}
public static void addCount(){
count++;
}
public String toString(){
return getId()+"/t/t" +getName()+ "\t\t" +getIc()+ "\t\t" +getTel();
}
//Add Employee
public void addEmp(){
Scanner add = new Scanner(System.in);
System.out.print("Enter New Employee Name :");
String newName = add.nextLine();
System.out.print("Enter New Employee IC :");
String newIC = add.nextLine();
System.out.print("Enter New Employee Phone Number :");
String newPhoneNumber = add.nextLine();
this.id = staticID++;
setName(newName.toUpperCase());
setIc(newIC);
setTel(newPhoneNumber);
this.id=staticID++;
}
//Delete Employee
public void deleteEmp(){
this.id = 0;
System.out.println("Deletion Successfull.");
}
//Edit Employee Details
public void editEmp(){
Scanner edit = new Scanner(System.in);
int choice= 0;
choice=editMenu();
switch(choice){
case 1:
System.out.print("Enter Employee Name: ");
String newName = edit.nextLine();
setName(newName.toUpperCase());
break;
case 2:
System.out.print("Enter Employee IC: ");
String newIC = edit.nextLine();
setIc(newIC);
break;
case 3:
System.out.print("Enter Employee Contact Number: ");
String newTel = edit.nextLine();
setTel(newTel);
break;
case 4:
this.editChoice=4;
break;
}
}
public int getEditChoice(){
return this.editChoice;
}
public void setEditChoice(int editChoice){
this.editChoice=editChoice;
}
public int editMenu(){
Scanner input = new Scanner(System.in);
System.out.println("You Are Currently Modifying:\n"+
"\nID:"+getId()+" Name:"+getName()+
"\n======================================"+
"\n\n1.Employee Name\n" +
"2.Employee IC\n" +
"3.Employee Contact Number\n" +
"4.Continue\n");
int choice = input.nextInt();
return choice;
}
}
薪酬
public class Salary {
private double monthlySalary;
public Salary(){
}
public Salary(int positionSalary) {
setMonthlySalary(positionSalary);
}
public double getMonthlySalary(){
return this.monthlySalary;
}
public void setMonthlySalary(int positionSalary){
switch(positionSalary){
case 0:
this.monthlySalary=0.00;
break;
case 1:
this.monthlySalary=4500.00;
break;
case 2:
this.monthlySalary=4000.00;
break;
case 3:
this.monthlySalary=3500.00;
break;
case 4:
this.monthlySalary=3000.00;
break;
case 5:
this.monthlySalary=2500.00;
break;
case 6:
this.monthlySalary=2000.00;
break;
case 7:
this.monthlySalary=1500.00;
break;
}
}
}
管理
import java.util.*;
import java.lang.String.*;
public class Admin extends Employee{
private int position;// head of school,head of division,assistant ,senior , manager
private String positionS;
private String department;// accounting,finance ,operational ,marketing
private int workingYears;
private static int adminCount = 0;
public Admin() {
super();
}
public Admin(String name, String ic, String tel, int position, String department, int workingYears) {
super(1, name, ic, tel);
this.position = position;
this.department = department;
this.workingYears = workingYears;
adminCount++;
}
public String getPosition(){
positionToString(this.position);
return this.positionS;
}
public void setPosition(int position){
this.position = position;
}
public void positionToString(int position){
switch(position){
case 1:
this.positionS="HEAD OF SCHOOL";
break;
case 2:
this.positionS="HEAD OF DIVISON";
break;
case 3:
this.positionS="ASSISTANT";
break;
case 4:
this.positionS="SENIOR";
break;
case 5:
this.positionS="MANAGER";
break;
}
}
public void setDepartment(String department){
this.department = department;
}
public String getDepartment(){
return department;
}
public void setWorkingYears(int workingYears){
this.workingYears = workingYears;
}
public int getWorkingYears(){
return workingYears;
}
public double calculateSalary(){
if(workingYears>5){
return super.getSalary()+2000;
}
else
return super.getSalary()+1000;
}
public static void setAdminCount(int adminCount){
adminCount=adminCount;
}
public static int getAdminCount(){
return adminCount;
}
public String toString(){
return super.toString()+ "\t\t" +getPosition()+ "\t\t" +getDepartment()+ "\t\t\t" +getWorkingYears()+ "\t\t" +calculateSalary();
}
//Add Admin Employee
public void addEmp(){
super.addEmp();
Scanner add = new Scanner(System.in);
System.out.print("1.Head of School\n"+
"2.Head of Division\n"+
"3.Assistant\n"+
"4.Senior\n"+
"5.Manager\n\n"+
"Please Enter Your Choice:");
int newPositionS = add.nextInt();
int newPosition = newPositionS;
setPosition(newPosition);
System.out.print("Enter Employee Department: ");
String newDepartment = add.nextLine();
setDepartment(newDepartment);
this.adminCount++;
}
//Search Admin Employee
public void searchAdminEmp(){
System.out.print("ADMINISTRATIVE EMPLOYEE"+
"\n================================"+
"\nID: "+super.getId()+
"\nName: "+super.getName()+
"\nNRIC: "+super.getIc()+
"\nTel No.: "+super.getTel()+
"\nPosition: "+getPosition()+
"\nSalary: "+getSalary() +
"\nDepartment: "+getDepartment());
}
//Edit Admin Employee Detail
public void editEmp(){
super.editEmp();
Scanner edit = new Scanner(System.in);
int check = super.getEditChoice();
if(check==5){
switch(EditAdminMenu()) {
case 6:
System.out.print("1.Head of School\n"+
"2.Head of Division\n"+
"3.Assistant\n"+
"4.Senior\n"+
"5.Manager\n\n"+
"Please Enter Your Choice:");
int newPositionS = edit.nextInt();
int newPosition = newPositionS;
super.setSalary(newPosition);
setPosition(newPosition);
break;
case 7:
System.out.print("Enter Employee Department: ");
String newDepartment = edit.nextLine();
setDepartment(newDepartment);
break;
case 0:
super.setEditChoice(0);
break;
default:
System.out.print("Wrong Input, please try again.");
break;
}
}
}
public int EditAdminMenu(){
Scanner edit = new Scanner(System.in);
System.out.print("=======Administrative==========\n"+
"6.Employee Position\n"+
"7.Employee School\n"+
"0.Back\n\n");
int choice = edit.nextInt();
return choice;
}
}
学术
import java.util.*;
import java.lang.String.*;
public class Academic extends Employee{
private String school;//SAS, SBS, SSSH , SPUS , SOT
private int position;// lecturer ,tutor
private String positionS;
private int workingYears;
private static int acaCount = 0;
public Academic(){
super();
}
public Academic(String name, String ic, String tel, String school, int position, int workingYears){
super(2, name, ic, tel);
this.school = school;
this.position = position;
this.workingYears = workingYears;
acaCount++;
}
public void setSchool(String school){
this.school = school;
}
public String getSchool(){
return school;
}
public void setPosition(int position){
this.position = position;
}
public String getPosition(){
positionToString(this.position);
return this.positionS;
}
public void positionToString(int position){
switch(position){
case 6:
this.positionS="LECTURER";
break;
case 7:
this.positionS="TUTOR";
break;
default:
break;
}
}
public void setWorkingYears(int workingYears){
this.workingYears = workingYears;
}
public int getWorkingYears(){
return workingYears;
}
public double calculateSalary(){
if(workingYears>5){
return super.getSalary()+1000;
}
else
return super.getSalary()+500;
}
public static void setAcaCount(int acaCount){
acaCount=acaCount;
}
public static int getAcaCount(){
return acaCount;
}
public String toString(){
return super.toString()+ "\t" +getSchool()+ "\t\t" +getPosition()+ "\t\t" +getWorkingYears()+"\t\t\t" +calculateSalary() ;
}
//Add Admin Employee
public void addEmp(){
super.addEmp();
Scanner add = new Scanner(System.in);
System.out.print("Enter Employee School: ");
String newSchool = add.nextLine();
setSchool(newSchool.toUpperCase());
System.out.print("6.Tutor\n"+
"7.Lecturer\n\n"+
"Please Enter Your Choice:");
int newPositionS = add.nextInt();
int newPosition = newPositionS;
setPosition(newPosition);
this.acaCount++;
}
//Search Admin Employee
public void searchAcaEmp(){
System.out.print("ADMINISTRATIVE EMPLOYEE"+
"\n================================"+
"\nID: "+super.getId()+
"\nName: "+super.getName()+
"\nNRIC: "+super.getIc()+
"\nTel No.: "+super.getTel()+
"\nSchool: "+getSchool()+
"\nPosition: "+getPosition()+
"\nSalary: "+getSalary());
}
//Edit Admin Employee Detail
public void editEmp(){
super.editEmp();
Scanner edit = new Scanner(System.in);
int check = super.getEditChoice();
if(check==5){
switch(EditAcaMenu()) {
case 6:
System.out.print("Enter Employee School: ");
String newSchool = edit.nextLine();
setSchool(newSchool.toUpperCase());
break;
case 7:
System.out.print("6.Tutor\n"+
"7.Lecturer\n\n"+
"Please Enter Your Choice:");
int newPositionS = edit.nextInt();
int newPosition = newPositionS;
super.setSalary(newPosition);
setPosition(newPosition);
break;
case 0:
super.setEditChoice(0);
break;
default:
System.out.print("Wrong Input, please try again.");
break;
}
}
}
public int EditAcaMenu(){
Scanner edit = new Scanner(System.in);
System.out.print("================Academic================\n"+
"6.Employee Position\n"+
"7.Employee School\n"+
"0.Back\n\n");
int choice = edit.nextInt();
return choice;
}
}
答案 0 :(得分：7)
这个是问题，而不是构造函数：
public void setSalary(int salary){
salary.setMonthlySalary(salary);
}
考虑到salary.setMonthlySalary是salary参数，请查看int - 您期望该做什么？
我怀疑你打算打电话给this.salaray.setMonthlySalary(salary)。
顺便说一下，这不是你遇到的唯一问题。只是看一下你的代码，我怀疑这不符合你的要求：
public static void setCount(int count){
count =count ;
}
您真的需要了解代码何时引用参数，以及何时引用字段。如果你在两者之间感到困惑，请使用不同的名称。
此外：
int构建薪水，然后将其存储为double？double作为货币值。要么使用int隐式缩放（例如分数），要么使用BigDecimal。答案 1 :(得分：3)
正如错误消息所示
Resource: Employee.java
int cannot be dereferenced
这意味着您无法取消引用int中的Employee值。它没有提及薪水。
public void setSalary(int salary){
salary.setMonthlySalary(salary);
}
您有一个名为salary的参数，它是int这会隐藏具有相同名称的字段。要解决此问题，您可以
public void setSalary(int salary){
this.salary.setMonthlySalary(salary);
}
或更好的是使名称不同，因为它们有不同的目的。
public void setSalary(int monthlySalary){
salary.setMonthlySalary(monthlySalary);
}
我建议你查看IDE中的代码，因为它可以帮助你找到错误的来源并帮助你解决它们。