Payroll Evaluation 1

Java Simple Console Application: Payroll Evaluation - 1 Week

Introduction

The primary type of application you can create with the Java language is a console or teminal application. In this exercise, we will have an introduction to Java by creating a simple small console or terminal application.

Java is a freely accessible computer language. You can download and install in your computer everything that is necessary to create application in Java.

There are various ways you can create a Java application, including the Command prompt or a terminal. You can also use a programming environment such as Eclipse (which is free). For our example, we will use Visual Studio Code (which also is free).

Practical Learning: Creating the Application

Start Visual Studio Code
Click the Search text box to give it focus
In the list that appears, click Show and Run Commands
In the list that appears, click Java: Create Java Project...
In the list that appears, click No build tools
In the Select Folder dialog box, select the drive (or the directory) you want (such as C:)
In the Select Folder dialog box, click Select the Project Location button
Click the top text box to give it focus.
Type PayrollEvaluation1 and press Enter
In the window that appears, click Yes, I Trust The Authors
In the EXPLORER window, expand src
Still in the EXPLORER window, under src, click App.java

Replace the content of the document with the following:

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scnr = new Scanner(System.in);

        System.out.print("Payroll Evaluation\n");
        System.out.print("----------------------------------------------\n");
        System.out.print("Enter the following pieces of information\n");
        System.out.print("----------------------------------------------\n");
        System.out.print("Employee Information\n");
        System.out.print("----------------------------------------------\n");
        
        String firstName, lastName;
        System.out.print("First Name:\t\t");
        firstName = scnr.next();
        System.out.print("Last Name:\t\t");
        lastName = scnr.next();
        System.out.print("Hourly Salary:\t\t");

        double hSalary = 0.00;
        hSalary = scnr.nextDouble();
        System.out.print("----------------------------------------------");
        System.out.print("\nTime worked");
        System.out.print("\n---------------------------------------------");

        System.out.print("\nMonday:\t\t\t");
        double mon;
        mon = scnr.nextDouble();

        System.out.print("Tuesday:\t\t");
        double tue = scnr.nextDouble();

        System.out.print("Wednesday:\t\t");
        double wed = scnr.nextDouble();

        System.out.print("Thursday:\t\t");
        double thu = scnr.nextDouble();

        System.out.print("Friday:\t\t\t");
        double fri = scnr.nextDouble();

        scnr.close();

        double timeWorked = mon + tue + wed + thu + fri;

        double regTime  = timeWorked;
        double regPay   = hSalary * timeWorked;
        double overtime = 0.00;
        double overPay  = 0.00;
        
        if(timeWorked > 40.00)
        {
            regTime  = 40.00;
            regPay   = hSalary * 40.00;
            overtime = timeWorked - 40.00;
            overPay  = hSalary * 1.50 * overtime;
        }

        double netPay = regPay + overPay;

        System.out.print("\n==============================================");
        System.out.print("\nPayroll Evaluation");
        System.out.print("\n==============================================");
        System.out.print("\nEmployee Information");
        System.out.print("\n----------------------------------------------");
        System.out.print("\nFull Name:\t\t");
        System.out.print(firstName);
        System.out.print(" ");
        System.out.print(lastName);
        System.out.print("\nHourly Salary:\t\t");
        System.out.print(hSalary);
        System.out.print("\n==============================================");
        System.out.print("\nTime Worked Summary");
        System.out.print("\n----------------------------------------------");
        System.out.print("\n\tMonday:\t\t");
        System.out.print(String.format("%.2f", (double)mon));
        System.out.print("\n\tTuesday:\t");
        System.out.print(String.format("%.2f", (double)tue));
        System.out.print("\n\tWednesday:\t");
        System.out.print(String.format("%.2f", (double)wed));
        System.out.print("\n\tThursday:\t");
        System.out.print(String.format("%.2f", (double)thu));
        System.out.print("\n\tFriday:\t\t");
        System.out.print(String.format("%.2f", (double)fri));
        System.out.print("\n==============================================");
        System.out.print("\nPay Summary");
        System.out.print("\n----------------------------------------------");
        System.out.print("\n\t\t\tTime\tPay");
        System.out.print("\n----------------------------------------------");
        System.out.print("\n\tRegular:\t");
        System.out.print(String.format("%.2f", (double)regTime));
        System.out.print("\t");
        System.out.print(String.format("%.2f", (double)regPay));
        System.out.print("\n----------------------------------------------");
        System.out.print("\n\tOvertime:\t");
        System.out.print(String.format("%.2f", (double)overtime));
        System.out.print("\t");
        System.out.print(String.format("%.2f", (double)overPay));
        System.out.print("\n----------------------------------------------");
        System.out.print("\n\t\tNet Pay:\t");
        System.out.print(String.format("%.2f", (double)netPay));
        System.out.print("\n==============================================");
    }
}

To execute the project, on the main menu, click Run -> Run Without Debugging

When requested, type each of the following values and press Enter each time:

First Name:	Michael
Last Name:	Carlock
Hourly Salary:	28.25
Monday	7
Tuesday:	8
Wednesday:	6.5
Thursday:	8.5
Friday:	6.5

Payroll Evaluation
----------------------------------------------
Enter the following pieces of information
----------------------------------------------
Employee Information
----------------------------------------------
First Name:             Michael
Last Name:              Carlock
Hourly Salary:          28.46
----------------------------------------------
Time worked
---------------------------------------------
Monday:                 7
Tuesday:                8
Wednesday:              6.5
Thursday:               8.5
Friday:                 6.5

==============================================
Payroll Evaluation
==============================================
Employee Information
----------------------------------------------
Full Name:              Michael Carlock
Hourly Salary:          28.46
==============================================
Time Worked Summary
----------------------------------------------
        Monday:         7.00
        Tuesday:        8.00
        Wednesday:      6.50
        Thursday:       8.50
        Friday:         6.50
==============================================
Pay Summary
----------------------------------------------
                        Time    Pay
----------------------------------------------
        Regular:        36.50   1038.79
----------------------------------------------
        Overtime:       0.00    0.00
----------------------------------------------
                Net Pay:        1038.79
==============================================

Using an Opposite Conditional Statement

In the previous section, we use a Greater Than operator to check a condition. That operator has an opposite, which is the Less Than Or Equal operator. We will uase apply as an example.

Practical Learning: Using an Opposite Conditional Statement

Change the document as follows:

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scnr = new Scanner(System.in);

        System.out.print("Payroll Evaluation\n");
        System.out.print("----------------------------------------------\n");
        System.out.print("Enter the following pieces of information\n");
        System.out.print("----------------------------------------------\n");
        System.out.print("Employee Information\n");
        System.out.print("----------------------------------------------\n");
        
        String firstName, lastName;
        System.out.print("First Name:\t\t");
        firstName = scnr.next();
        System.out.print("Last Name:\t\t");
        lastName = scnr.next();
        System.out.print("Hourly Salary:\t\t");

        double hSalary = 0.00;
        hSalary = scnr.nextDouble();
        System.out.print("----------------------------------------------");
        System.out.print("\nTime worked");
        System.out.print("\n---------------------------------------------");

        System.out.print("\nMonday:\t\t\t");
        double mon;
        mon = scnr.nextDouble();

        System.out.print("Tuesday:\t\t");
        double tue = scnr.nextDouble();

        System.out.print("Wednesday:\t\t");
        double wed = scnr.nextDouble();

        System.out.print("Thursday:\t\t");
        double thu = scnr.nextDouble();

        System.out.print("Friday:\t\t\t");
        double fri = scnr.nextDouble();

        scnr.close();

        double timeWorked = mon + tue + wed + thu + fri;

        double regTime  = 40.00;
        double regPay   = hSalary * 40.00;
        double overtime = timeWorked - 40.00;
        double overPay  = hSalary * 1.50 * overtime;
        
        if(timeWorked <= 40.00)
        {
            regTime  = timeWorked;
            regPay   = hSalary * timeWorked;
            overtime = 0.00;
            overPay  = 0.00;
        }

        double netPay = regPay + overPay;

        System.out.print("\n==============================================");
        System.out.print("\nPayroll Evaluation");
        System.out.print("\n==============================================");
        System.out.print("\nEmployee Information");
        System.out.print("\n----------------------------------------------");
        System.out.print("\nFull Name:\t\t");
        System.out.print(firstName);
        System.out.print(" ");
        System.out.print(lastName);
        System.out.print("\nHourly Salary:\t\t");
        System.out.print(hSalary);
        System.out.print("\n==============================================");
        System.out.print("\nTime Worked Summary");
        System.out.print("\n----------------------------------------------");
        System.out.print("\n\tMonday:\t\t");
        System.out.print(String.format("%.2f", (double)mon));
        System.out.print("\n\tTuesday:\t");
        System.out.print(String.format("%.2f", (double)tue));
        System.out.print("\n\tWednesday:\t");
        System.out.print(String.format("%.2f", (double)wed));
        System.out.print("\n\tThursday:\t");
        System.out.print(String.format("%.2f", (double)thu));
        System.out.print("\n\tFriday:\t\t");
        System.out.print(String.format("%.2f", (double)fri));
        System.out.print("\n==============================================");
        System.out.print("\nPay Summary");
        System.out.print("\n----------------------------------------------");
        System.out.print("\n\t\t\tTime\tPay");
        System.out.print("\n----------------------------------------------");
        System.out.print("\n\tRegular:\t");
        System.out.print(String.format("%.2f", (double)regTime));
        System.out.print("\t");
        System.out.print(String.format("%.2f", (double)regPay));
        System.out.print("\n----------------------------------------------");
        System.out.print("\n\tOvertime:\t");
        System.out.print(String.format("%.2f", (double)overtime));
        System.out.print("\t");
        System.out.print(String.format("%.2f", (double)overPay));
        System.out.print("\n----------------------------------------------");
        System.out.print("\n\t\tNet Pay:\t");
        System.out.print(String.format("%.2f", (double)netPay));
        System.out.print("\n==============================================");
    }
}

To execute the project again, on the main menu, click Debug -> Start Without Debugging

When requested, type each of the following values and press Enter each time:

First Name:	Catherine
Last Name:	Busbey
Hourly Salary:	24.37
Monday	9.50
Tuesday:	8
Wednesday:	10.50
Thursday:	9
Friday:	10.50

Payroll Evaluation
----------------------------------------------
Enter the following pieces of information
----------------------------------------------
Employee Information
----------------------------------------------
First Name:             Catherine
Last Name:              Busbey
Hourly Salary:          28.37
----------------------------------------------
Time worked
---------------------------------------------
Monday:                 9.5
Tuesday:                8
Wednesday:              10.5
Thursday:               9
Friday:                 10.5

==============================================
Payroll Evaluation
==============================================
Employee Information
----------------------------------------------
Full Name:              Catherine Busbey
Hourly Salary:          28.37
==============================================
Time Worked Summary
----------------------------------------------
        Monday:         9.50
        Tuesday:        8.00
        Wednesday:      10.50
        Thursday:       9.00
        Friday:         10.50
==============================================
Pay Summary
----------------------------------------------
                        Time    Pay
----------------------------------------------
        Regular:        40.00   1134.80
----------------------------------------------
        Overtime:       7.50    319.16
----------------------------------------------
                Net Pay:        1453.96
==============================================

Press T to close the window and return to your programming environment


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