public class FrmAreaTriangulo extends javax.swing.JFrame {
public FrmAreaTriangulo() {
initComponents();
}
pack();
}
private void txtBaseActionPerformed(java.awt.event.ActionEvent evt) {
}
private void btnCalcularActionPerformed(java.awt.event.ActionEvent evt) {
int base, altura;
double area;
base=Integer.parseInt(txtBase.getText());
altura=Integer.parseInt(txtAltura.getText());
area=base*altura/2;
txtArea.setText(String.valueOf(area));
}
private void btnLimpiarActionPerformed(java.awt.event.ActionEvent evt) {
txtBase.setText("");
txtAltura.setText("");
txtArea.setText("");
txtBase.requestFocus();
}
private void btnCerrarActionPerformed(java.awt.event.ActionEvent evt) {
dispose();
}
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new FrmAreaTriangulo().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton btnCalcular;
private javax.swing.JButton btnCerrar;
private javax.swing.JButton btnLimpiar;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JTextField txtAltura;
private javax.swing.JTextField txtArea;
private javax.swing.JTextField txtBase;
// End of variables declaration
}

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