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- import java.awt.event.ActionEvent;
- import java.awt.event.ActionListener;
- import javax.swing.*;
- public class EinfacherRechner extends JFrame{
- public static void main(String[] args) {
- Zahlen meineZahlen = new Zahlen();
- EinfacherRechner objektName = new EinfacherRechner();
- JTextField textFeld = new JTextField();
- JTextField textFeld2 = new JTextField();
- JLabel labelOperation = new JLabel("+");
- JLabel labelResult = new JLabel();
- ActionListener listener = new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent arg0) {
- meineZahlen.setNumb1(Integer.parseInt(textFeld.getText()));
- meineZahlen.setNumb2(Integer.parseInt(textFeld2.getText()));
- meineZahlen.addNumbs();
- labelResult.setText(""+meineZahlen.getSum());
- }
- };
- textFeld.setBounds(50,50,150,50);
- labelOperation.setBounds(50,105,100,15);
- textFeld2.setBounds(50,120,150,50);
- labelResult.setBounds(50,190,100,50);
- objektName.setVisible(true);
- objektName.setSize(400,400);
- objektName.setTitle("Beispielprogramm");
- objektName.setDefaultCloseOperation(EXIT_ON_CLOSE);
- objektName.setLayout(null);
- textFeld.addActionListener(listener);
- textFeld2.addActionListener(listener);
- objektName.add(textFeld);
- objektName.add(textFeld2);
- objektName.add(labelOperation);
- objektName.add(labelResult);
- }
- }
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