massageArea created

src/MessageArea.java

+import javax.swing.*;
+import java.awt.*;
+
+public class MessageArea extends JPanel {
+
+    public MessageArea(){
+        super();
+        setLayout(new BorderLayout());
+        JTextField jTextField = new JTextField();
+        jTextField.setEditable(true);
+        this.add(jTextField , BorderLayout.CENTER);
+        JLabel jLabel = new JLabel("Text:");
+        this.add(jLabel , BorderLayout.WEST);
+        JButton jButton = new JButton("Send");
+        jButton.setBackground(Color.CYAN);
+        this.add(jButton , BorderLayout.EAST);
+        jTextField.setToolTipText("Enter Text :");
+    }
+}

src/UsernameFrame.java

+import javax.swing.*;
+import java.awt.*;
+
+public class UsernameFrame extends JFrame {
+    private static final String BTN_TXT = "Start chatting...";
+    private static final String LABEL_TXT = "Choose your name ";
+    private static final int WIDTH = 300 , HEIGHT = 100 ;
+    JTextField textField;
+    JButton button ;
+    public UsernameFrame() throws HeadlessException{
+        super();this.setLayout(new BorderLayout());
+        JLabel label = new JLabel("choose your name");
+        add(label , BorderLayout.PAGE_START);
+        textField = new JTextField();
+        add(textField , BorderLayout.CENTER);
+        button  = new JButton(LABEL_TXT);
+        add(button , BorderLayout.PAGE_END);
+        setSize(WIDTH , HEIGHT);
+        setVisible(true);
+
+    }
+}