Employee name and Job title

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import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class EmployeeInfoInterface extends JFrame {
    private JTextField firstNameField, lastNameField, jobTitleField;
    private JLabel firstNameLabel, lastNameLabel, resultLabel;
    private JButton searchButton;

    // Parallel arrays to store employee names and job titles
    private String[] employeeNames = {"John Doe", "Jane Smith", "Bob Johnson"};
    private String[] employeeJobTitles = {"Manager", "Engineer", "Sales Associate"};

    public EmployeeInfoInterface() {
        setTitle("Employee Information");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLayout(new GridLayout(4, 2));

        firstNameLabel = new JLabel("First Name:");
        lastNameLabel = new JLabel("Last Name:");
        resultLabel = new JLabel("");

        firstNameField = new JTextField();
        lastNameField = new JTextField();
        jobTitleField = new JTextField();
        jobTitleField.setEditable(false); // Make jobTitleField read-only

        searchButton = new JButton("Search");
        searchButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                // Get the entered first and last names
                String firstName = firstNameField.getText();
                String lastName = lastNameField.getText();
                String fullName = firstName + " " + lastName;

                // Search for the employee's job title
                String jobTitle = findEmployeeJobTitle(fullName);

                // Update the jobTitleField and resultLabel
                jobTitleField.setText(jobTitle);
                if (jobTitle != null) {
                    resultLabel.setText("Employee's Job Title:");
                } else {
                    resultLabel.setText("Employee not found");
                }
            }
        });

        // Add components to the frame
        add(firstNameLabel);
        add(firstNameField);
        add(lastNameLabel);
        add(lastNameField);
        add(searchButton);
        add(resultLabel);
        add(jobTitleField);

        pack();
        setLocationRelativeTo(null); // Center the frame
    }

    // Function to find an employee's job title based on their full name
    private String findEmployeeJobTitle(String fullName) {
        for (int i = 0; i < employeeNames.length; i++) {
            if (employeeNames[i].equalsIgnoreCase(fullName)) {
                return employeeJobTitles[i];
            }
        }
        return null; // Employee not found
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                new EmployeeInfoInterface().setVisible(true);
            }
        });
    }
}