Quersumme added

src/main/java/src/TasksFrame.java

@@ -75,19 +75,60 @@ public class TasksFrame extends JFrame {
 
         setupEulerschePhiFunk();
 
+        setupQuersumme();
+
+    }
+
+    private void setupQuersumme() {
+
+        JPanel jPanel = setupPanel("Quersumme");
+
+        JButton button = new JButton("Quersumme");
+        button.setVisible(true);
+        button.setBounds(10, 65, 100, 30);
+
+        JTextField jTextField = new JTextField();
+        jTextField.setVisible(true);
+        jTextField.setBounds(10, 40, 30, 20);
+
+        JLabel jLabel = new JLabel();
+        jLabel.setVisible(true);
+        jLabel.setBounds(10,90,60,30);
+
+        jPanel.add(button);
+        jPanel.add(jTextField);
+        jPanel.add(jLabel);
+
+        button.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                int r = quer(Integer.valueOf(jTextField.getText()));
+                jLabel.setText(String.valueOf(r));
+            }
+        });
     }
 
+    public int quer(Integer n) {
+
+        int quersumme = 0;
+        for (int x = n; x > 0; x = x / 10) {
+            quersumme = quersumme + x % 10;
+        }
+        return quersumme;
+    }
+
+
     private void setupEulerschePhiFunk() {
 
         JPanel jPanel = setupPanel("Eulersche Phi Funktion");
 
-        Button button = new Button("Calc Phi");
+        JButton button = new JButton("calc Phi");
         button.setVisible(true);
-        button.setBounds(120, 50, 100,  30);
+        button.setBounds(10, 65, 100,  30);
 
         JTextField jTextField = new JTextField();
         jTextField.setVisible(true);
-        jTextField.setBounds( 10, 40,  60, 20);
+        jTextField.setBounds( 10, 40,  30, 20);
 
         JLabel jLabel = new JLabel();
         jLabel.setVisible(true);