Change position of input and output areas

src/main/java/ChatClient.java

@@ -1,4 +1,5 @@
 import javax.swing.*;
+import java.awt.*;
 import java.io.IOException;
 import java.net.Socket;
 
@@ -23,10 +24,13 @@ public class ChatClient extends JFrame {
 
     private void initGui() {
         outputTextArea = new JTextArea();
+        outputTextArea.setBorder(BorderFactory.createTitledBorder("Chat"));
+
         inputTextField = new JTextField();
+        inputTextField.setBorder(BorderFactory.createTitledBorder("Nachricht eingeben"));
 
-        add(outputTextArea);
-        add(inputTextField);
+        add(outputTextArea, BorderLayout.CENTER);
+        add(inputTextField, BorderLayout.SOUTH);
 
         setVisible(true);
         setSize(800, 600);