Question

Write the code in Java:

1. Create a method that displays your name in the console. This method is void and takes no parameters. Make an app that runs the method in response to a button press.

2. Create a version of the method in #1 that takes the text (String) to be displayed as a parameter. Allow the user to enter the text in a dialog box or text field and display that text in the console. Be sure to trim() the text.

Answer 1

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class ButtonClick {  
static    JFrame frame = new JFrame("JFrame Example");  
        public static void main(String s[]) {  
        JPanel panel = new JPanel();  
        panel.setLayout(null);  
        
        JButton convert = new JButton();  
        convert.setText("Click");  
        convert.setBounds(200, 150, 100, 20);
        convert.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e)
            {
                printNameToConsole();
            }

                        private void printNameToConsole() {
                                System.out.println("Uday");
                        }
        });
        panel.add(convert);
        
        frame.add(panel);
        frame.setSize(600, 300);  
        frame.setLocationRelativeTo(null);  
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  
        frame.setVisible(true);  
    }  
}  

Answer 2:

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class ReverseStringUI {  
static    JFrame frame = new JFrame("JFrame Example");  
static JTextField str= new JTextField(10);

        public static void main(String s[]) {  
        JPanel panel = new JPanel();  
        panel.setLayout(null);  
        str.setBounds(80, 50, 100, 30);
        JButton convert = new JButton();  
        convert.setText("Print");  
        convert.setBounds(80, 150, 100, 20);

        convert.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e)
            {
                printName(str.getText());
            }

                        private void printName(String aText) {
                                System.out.println(aText);
                        }
        });
        panel.add(str);
        panel.add(convert);
        frame.add(panel);
        frame.setSize(300, 300);  
        frame.setLocationRelativeTo(null);  
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  
        frame.setVisible(true);  
    }  
}  

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