Problem (JAVA): Why does my program seem perfect but when it runs the program pr
ID: 3936223 • Letter: P
Question
Problem (JAVA): Why does my program seem perfect but when it runs the program prints nothing that it should from the driver? Included is the output, instructions, and all of my code.
// DRIVER.java
import java.io.File;
import java.util.Scanner;
public class Driver {
@SuppressWarnings("null")
public static void main(String[] args) {
Employee employees = null;
Scanner scanner = null;
try {
Employee[] employees2014 = new Employee[10];
Employee[] employees2015 = new Employee[10];
int empCount14 = 0;
int empCount15 = 0;
int year;
scanner = new Scanner(new File("employee.txt"));
while (scanner.hasNext()) {
String line = scanner.nextLine();
String lineArr[] = line.split(" ");
year = Integer.parseInt(lineArr[0]);
if (year == 2014) {
if (lineArr[1].equals("Employee")) {
employees2014[empCount14++] = new Employee(
lineArr[2],
Double.parseDouble(lineArr[3]),
((Employee)employees).getAnnualSalary()
);
}
else if (lineArr[1].equals("Salesman")) {
employees2014[empCount14++] = new Salesman(
lineArr[2],
Double.parseDouble(lineArr[3]),
Double.parseDouble(lineArr[4]),
(Double) null
);
}
else {
employees2014[empCount14++] = new Executive(
lineArr[2],
Double.parseDouble(lineArr[3]),
((Employee)employees).getAnnualSalary(),
(Double) null,
Double.parseDouble(lineArr[4])
);
}
}
else {
if (lineArr[1].equals("Employee")) {
employees2015[empCount15++] = new Employee(
lineArr[2],
Double.parseDouble(lineArr[3]),
((Employee)employees).getAnnualSalary()
);
}
else if (lineArr[1].equals("Salesman")) {
employees2015[empCount15++] = new Salesman(
lineArr[2],
Double.parseDouble(lineArr[3]),
Double.parseDouble(lineArr[4]),
(Double) null
);
}
else {
employees2015[empCount15++] = new Executive(
lineArr[2],
Double.parseDouble(lineArr[3]),
((Employee)employees).getAnnualSalary(),
(Double) null,
Double.parseDouble(lineArr[4])
);
}
}
// System.out.println(line);
}
System.out.println("2014 Employee Report:");
for (int i = 0; i < empCount14; i++) {
System.out.println(employees2014[i]);
}
System.out.println("2015 Employee Report:");
for (int i = 0; i < empCount15; i++) {
System.out.println(employees2015[i]);
}
} catch (Exception e) {
// TODO: handle exception
} finally {
}
}
}//END
// EMPLOYEE.java
public class Employee {
protected double annualSalary = 0;
private double monthlySalary = 0;
private String nameEmp = null;
Salesman salesmen;
Executive executives;
public Employee(String nameEmp, double monthlySalary, double annualSalary) {
this.nameEmp = nameEmp;
this.annualSalary = annualSalary;
this.monthlySalary = monthlySalary;
}
public void setName(String nameEmp) {
this.nameEmp = nameEmp;
}
public void setSalary(double monthlySalary) {
this.monthlySalary = monthlySalary;
}
public void setAnnualSalary(double annualSalary) {
this.annualSalary = annualSalary;
}
public String getName() {
return this.nameEmp;
}
public double getMonthlySalary() {
return this.monthlySalary;
}
public double getAnnualSalary() {
return this.annualSalary;
}
public double getAnnualSalary(double salary) {
this.annualSalary = monthlySalary * 12;
return this.annualSalary;
}
public String toString() {
String str = "Name of Employee: " + this.nameEmp +" Monthly Salary of Employee: "+ this.monthlySalary;
return str;
}
}//END
// EXECUTIVE.java
public class Executive extends Employee{
private double bonus = 0;
private double stockPrice = 0;
Executive(String nameEmp, double monthlySalary, double annualSalary, double bonus, double stockPrice) {
super(nameEmp, annualSalary, monthlySalary);
this.stockPrice = stockPrice;
this.bonus = bonus;
}
public void setStockPrice(double stockPrice) {
this.stockPrice = stockPrice;
}
public void setBonusEx(double bonus) {
this.bonus = bonus;
}
public double getStockPrice() {
return stockPrice;
}
public double getBonusEx() {
return this.bonus;
}
public double getAnnualSalaryEx(double monthlySalary) {
if(stockPrice > 50) {
bonus = 30000;
}
this.annualSalary = (monthlySalary * 12) + bonus ;
return this.annualSalary;
}
public String toString(String nameEmp, double monthlySalary, double annualSalary) {
String str = "Name of Employee: " + nameEmp +" Monthly Salary of Employee: " + monthlySalary +
" Company Stock Price: " + stockPrice;
return str;
}
}//End
// SALESMAN.java
public class Salesman extends Employee{
private double commission = 0;
Salesman(String nameEmp, double monthlySalary, double annualSalary, double commission) {
super(nameEmp, annualSalary, monthlySalary);
this.commission = commission;
}
public void setCommission(double commission) {
this.commission = commission;
}
public double getCommission() {
return this.commission;
}
public double getAnnualSalarySa(double monthlySalary) {
if(commission>=1000000) {
commission = 1000000;
}
this.annualSalary = (monthlySalary * 12) + (commission * 0.02) ;
return this.annualSalary;
}
public String toString(String nameEmp, double monthlySalary, double annualSalary) {
String str = "Name of Employee: " + nameEmp +" Monthly Salary of Employee: " + monthlySalary +
" Annual Salary of Employee: " + annualSalary;
return str;
}
}
Explanation / Answer
You are sending parameter during run time through command prompt but in program the file might not contain any thing so the outputis nothing
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