diff --git a/bin/SecondGUI$1.class b/bin/SecondGUI$1.class
new file mode 100644
index 0000000..0cad793
--- /dev/null
+++ b/bin/SecondGUI$1.class
Binary files differ
diff --git a/bin/SecondGUI.class b/bin/SecondGUI.class
index e8e65e3..1d37b22 100644
--- a/bin/SecondGUI.class
+++ b/bin/SecondGUI.class
Binary files differ
diff --git a/src/SecondGUI.java b/src/SecondGUI.java
index 635cadb..d291589 100644
--- a/src/SecondGUI.java
+++ b/src/SecondGUI.java
@@ -1,7 +1,10 @@
 import java.awt.FlowLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
 
 import javax.swing.JButton;
 import javax.swing.JFrame;
+import javax.swing.JOptionPane;
 
 public class SecondGUI extends JFrame {
     public static void main(String[] args) {
@@ -10,10 +13,18 @@
     }
     public SecondGUI(){
         super("SecondGUI");
+        JButton b1,b2,b3;
         getContentPane().setLayout(new FlowLayout());
-        getContentPane().add(new JButton("B1"));
-        getContentPane().add(new JButton("B2"));
-        getContentPane().add(new JButton("B3"));
+        getContentPane().add(b1 = new JButton("B1"));
+        getContentPane().add(b2 = new JButton("B2"));
+        getContentPane().add(b3 = new JButton("B3"));
+        b1.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                JOptionPane.showMessageDialog(b1, "B1");
+            }   
+        });
+        b2.addActionListener( e -> JOptionPane.showMessageDialog(b1, e.getActionCommand()) );
         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         pack();
         setVisible(true);