OOP2/calculator.java

    calculator.java
	
			import javax.swing.*;

			class calculator {
		
					public calculator() {
		
							JPanel panel = new JPanel();
		
							createGUI();
		
					}
		
					public void createGUI() {
		
							JFrame window = new JFrame("Rekenmachine");
		
							for(int i = 0; i<10; i++) {
		
									JButton button = new NumberButton(i);
		
									window.add(button);
		
							}
		
							window.setVisible(true);
		
					}
		
					public static void main(String[] args) {
		
					}
		
			}

1	import javax.swing.*;
2
3	class calculator {
4	public calculator() {
5	JPanel panel = new JPanel();
6	createGUI();
7	}
8
9	public void createGUI() {
10	JFrame window = new JFrame("Rekenmachine");
11
12	for(int i = 0; i<10; i++) {
13	JButton button = new NumberButton(i);
14	window.add(button);
15	}
16	window.setVisible(true);
17	}
18
19	public static void main(String[] args) {
20	}
21	}
22