Would anyone be able to assist?

Example 1:

// 1. What are the following import statements for?

// 2. Why do we need each one?

import javax.swing.*; // Why do we need this? import java.awt.*; // Why do we need this? import java.awt.event.*; // Why do we need this? import java.util.*; // Why do we need this? import java.math.*; // Why do we need this?

Example 2:

// Test field

// 1. What is a JLabel?

// 2. How do you create a JLabel?

// 3. What does SwingConstants.RIGHT mean? t1L = new JLabel("Test score 1: ", SwingConstants.RIGHT); t2L = new JLabel("Test score 2: ", SwingConstants.RIGHT); t3L = new JLabel("Test score 3: ", SwingConstants.RIGHT); t4L = new JLabel("Test score 4: ", SwingConstants.RIGHT);

Example 3:

// Text field

// 1. What is a JTextField?

// 2. How do you create a JTextField?

// 3. What does setHorizontalAlignment(JTextField.CENTER); mean?

t1TF = new JTextField(0, 5); t1TF.setHorizontalAlignment(JTextField.CENTER); t2TF = new JTextField(0, 5); t2TF.setHorizontalAlignment(JTextField.CENTER); t3TF = new JTextField(0, 5); t3TF.setHorizontalAlignment(JTextField.CENTER); t4TF = new JTextField(0, 5); t4TF.setHorizontalAlignment(JTextField.CENTER);

Example 4:

// Calc button.

// 1. What is a JButton?

// 2. How do you create a JButton?

// 3. What is a CalculateButtonHandler()?

// 4. How do you create a CalculateButtonHandler()?

// 5. What is an ActionListener? Where is it in our textbook? calculateB = new JButton("Calculate"); cbHandler = new CalculateButtonHandler(); calculateB.addActionListener(cbHandler);