Merge remote-tracking branch 'origin/develop' into develop

# Conflicts:
#	src/test/java/src/TasksFrameTest.java

src/main/java/src/TasksFrame.java

@@ -79,6 +79,52 @@ public class TasksFrame extends JFrame {
 
         setupQuersumme();
 
+        setupKgV();
+
+    }
+
+    private void setupKgV() {
+        JPanel jPanel = setupPanel("kgV");
+
+        JButton button = new JButton("kgV");
+        button.setVisible(true);
+        button.setBounds(10, 65, 100, 30);
+
+        JTextField a = new JTextField();
+        a.setBounds(10, 40, 30, 20);
+        a.setVisible(true);
+
+        JTextField b = new JTextField();
+        b.setBounds(50, 40, 30, 20);
+        b.setVisible(true);
+
+        JLabel jLabel = new JLabel();
+        jLabel.setVisible(true);
+        jLabel.setBounds(10,90,60,30);
+
+        jPanel.add(button);
+        jPanel.add(a);
+        jPanel.add(b);
+        jPanel.add(jLabel);
+
+        button.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                String texta = a.getText();
+                String textb = b.getText();
+                Integer val_a = Integer.valueOf(texta);
+                Integer val_b = Integer.valueOf(textb);
+                int res = kgV(val_a, val_b);
+                jLabel.setText(String.valueOf(res));
+            }
+        });
+
+
+    }
+
+    public int kgV(int a, int b) {
+        int kgV= (a*b)/ggt(a,b);
+        return kgV;
     }
 
     private void setupQuersumme() {