*
* File: Project2.java
* Author:
* Date:
* Purpose: This program is a class using with the other classes. This class
* is to create and display a GUI.
*/
package Project2;
// Import Libraries

import java.util.ArrayList;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

// Beginning of Project2 Class
public class Project2 extends javax.swing.JFrame {

// Declare and set arraylist
ArrayList<Automobile> carRecsArray = new ArrayList<>();
// Declare from variable
public JFrame frame;
// Declare JPanel
private JPanel mainPanel;
// Declares an classobject
Project2 project2;

// Beginning of Constructor method for GUI Components
public Project2() {
   // Call the initComponents Method
   initComponents();

}

/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {

   jLblMakeModel = new javax.swing.JLabel();
   jLblSalesPri = new javax.swing.JLabel();
   jTxtFMakeModel = new javax.swing.JTextField();
   jTxtFSalesPri = new javax.swing.JTextField();
   jPanAutoType = new javax.swing.JPanel();
   jRdoHybrid = new javax.swing.JRadioButton();
   jRdoElectric = new javax.swing.JRadioButton();
   jRdoOther = new javax.swing.JRadioButton();
   jTxtFMilesPerGal = new javax.swing.JTextField();
   jTxtFWeightinLbs = new javax.swing.JTextField();
   jLblMilesPerGal = new javax.swing.JLabel();
   jLblWeightLbs = new javax.swing.JLabel();
   jTxtFCalcSalesTax = new javax.swing.JTextField();
   jBtnCompSalesTax = new javax.swing.JButton();
   jBtnClearF = new javax.swing.JButton();
   jBtnRptDisp = new javax.swing.JButton();

   setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
   setTitle("Automobile Sales Tax Calculator");
   setName("fCarCalc"); // NOI18N

   jLblMakeModel.setText("Make and Model:");
   jLblMakeModel.setName(""); // NOI18N

   jLblSalesPri.setText("Sales Price:");

   jPanAutoType.setBorder(javax.swing.BorderFactory.createTitledBorder("Automobile Type"));

   jRdoHybrid.setText("Hybrid");
   jRdoHybrid.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            jRdoHybridActionPerformed(evt);
         }
   });

   jRdoElectric.setText("Electric");
   jRdoElectric.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            jRdoElectricActionPerformed(evt);
         }
   });

   jRdoOther.setText("Other");
   jRdoOther.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            jRdoOtherActionPerformed(evt);
         }
   });

   jTxtFMilesPerGal.setEditable(false);

   jTxtFWeightinLbs.setEditable(false);

   jLblMilesPerGal.setText("Miles Per Gallon:");

   jLblWeightLbs.setText("Weight in Pounds:");

   javax.swing.GroupLayout jPanAutoTypeLayout = new javax.swing.GroupLayout(jPanAutoType);
   jPanAutoType.setLayout(jPanAutoTypeLayout);
   jPanAutoTypeLayout.setHorizontalGroup(
         jPanAutoTypeLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addGroup(jPanAutoTypeLayout.createSequentialGroup()
            .addContainerGap()
            .addGroup(jPanAutoTypeLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
               .addGroup(jPanAutoTypeLayout.createSequentialGroup()
                     .addComponent(jRdoOther)
                     .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
               .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanAutoTypeLayout.createSequentialGroup()
                     .addGroup(jPanAutoTypeLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                        .addComponent(jRdoHybrid)
                        .addComponent(jRdoElectric))
                     .addGap(46, 46, 46)
                     .addGroup(jPanAutoTypeLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(jLblMilesPerGal)
                        .addComponent(jLblWeightLbs))
                     .addGap(18, 18, 18)
                     .addGroup(jPanAutoTypeLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(jTxtFWeightinLbs, javax.swing.GroupLayout.DEFAULT_SIZE, 103, Short.MAX_VALUE)
                        .addComponent(jTxtFMilesPerGal)))))
   );
   jPanAutoTypeLayout.setVerticalGroup(
         jPanAutoTypeLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addGroup(jPanAutoTypeLayout.createSequentialGroup()
            .addGroup(jPanAutoTypeLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
               .addComponent(jRdoHybrid)
               .addComponent(jTxtFMilesPerGal, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
               .addComponent(jLblMilesPerGal))
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
            .addGroup(jPanAutoTypeLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
               .addGroup(jPanAutoTypeLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                     .addComponent(jLblWeightLbs)
                     .addComponent(jRdoElectric))
               .addComponent(jTxtFWeightinLbs, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addGap(9, 9, 9)
            .addComponent(jRdoOther)
            .addGap(0, 15, Short.MAX_VALUE))
   );

   jTxtFCalcSalesTax.setEditable(false);

   jBtnCompSalesTax.setText("Compute Sales Tax");
   jBtnCompSalesTax.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            jBtnCompSalesTaxActionPerformed(evt);
         }
   });

   jBtnClearF.setText("Clear Fields");
   jBtnClearF.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            jBtnClearFActionPerformed(evt);
         }
   });

   jBtnRptDisp.setText("Display Report");
   jBtnRptDisp.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            jBtnRptDispActionPerformed(evt);
         }
   });

Overview This project is designed to give students practice with l...