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- package br.unip.aula2;
- import java.awt.GridLayout;
- import java.awt.event.ActionListener;
- import javax.swing.JButton;
- import javax.swing.JFrame;
- import javax.swing.JLabel;
- import javax.swing.JPanel;
- import javax.swing.JTextField;
- public class Tela extends JFrame implements ActionListener {
- private JLabel iblp1, iblp2, iblpMedia;
- private JTextField txtP1, txtP2, txtMedia;
- private JButton btnCalcular;
- public Tela()
- {
- setTitle("Calculo da media");
- iblp1 = new JLabel("p1");
- iblp2 = new JLabel("p2");
- iblpMedia = new JLabel ("media");
- txtP1 = new JTextField("");
- txtP2 = new JTextField("");
- txtMedia = new JTextField("");
- btnCalcular = new JButton("Calcular");
- txtMedia.setEditable(false);
- JPanel painel = new JPanel();
- painel.setLayout(new GridLayout(4,2,5,5));
- painel.add(iblp1);
- painel.add(txtP1);
- painel.add(iblp2);
- painel.add(txtP2);
- painel.add(iblpMedia);
- painel.add(txtMedia);
- painel.add(btnCalcular);
- setContentPane(painel);
- pack();
- btnCalcular.addActionListener(this);
- }
- public static void main(String[] args) {
- }
- }
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