Create IP-address input field

src/main/java/ChatClient.java

@@ -1,11 +1,12 @@
+import javax.swing.*;
+
 public class ChatClient {
+    private String address;
     public ChatClient() {
-        // Constructor Method
-
+        address = JOptionPane.showInputDialog("bitte IP-Adresse");
     }
 
     public static void main(String[] args) {
-        System.out.println("Test");
-
+        new ChatClient();
     }
 }