1 files changed, 52 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing3709.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3709.java
new file mode 100644
index 0000000..76f17f4
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3709.java
@@ -0,0 +1,52 @@
+/* Listing3709.java */
+
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+
+public class Listing3709
+extends JFrame
+implements ActionListener
+{
+  private ButtonGroup group = new ButtonGroup();
+
+  public Listing3709()
+  {
+    super("JRadioButton");
+    addWindowListener(new WindowClosingAdapter(true));
+    //RadioButton-Panel
+    JPanel panel = new JPanel();
+    panel.setLayout(new GridLayout(3, 1));
+    for (int i = 1; i <= 3; ++i) {
+      JRadioButton rb = new JRadioButton("RadioButton" + i, i == 2);
+      rb.setActionCommand(rb.getText());
+      panel.add(rb);
+      group.add(rb);
+    }
+    getContentPane().add(panel, BorderLayout.CENTER);
+    //Selektion-Button
+    JButton button = new JButton("Selektion");
+    button.addActionListener(this);
+    getContentPane().add(button, BorderLayout.SOUTH);
+  }
+
+  public void actionPerformed(ActionEvent event)
+  {
+    String cmd = event.getActionCommand();
+    if (cmd.equals("Selektion")) {
+      ButtonModel selected = group.getSelection();
+      System.out.print("Selektiert: ");
+      if (selected != null) {
+        System.out.println(selected.getActionCommand());
+      }
+    }
+  }
+
+  public static void main(String[] args)
+  {
+    Listing3709 frame = new Listing3709();
+    frame.setLocation(100, 100);
+    frame.setSize(300, 120);
+    frame.setVisible(true);
+  }
+}
+\ No newline at end of file