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73 lines (53 loc) · 1.74 KB
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import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
public class EF4 extends JFrame implements ActionListener{
JButton sumar;
JTextField ingresar;
JLabel texto;
JLabel resultado;
public static void main(String args[]){
EF4 ventana = new EF4();
ventana.show();
}
public EF4(){
setSize(350, 300);
setTitle("Sumadora");
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
setResizable(false);
setLayout(null);
texto = new JLabel();
texto.setText("Ingrese la serie de números separados por coma:");
texto.setBounds(15, 70, 1000, 20);
getContentPane().add(texto);
ingresar = new JTextField();
ingresar.setBounds(45, 120, 250, 20);
getContentPane().add(ingresar);
sumar = new JButton();
sumar.setText("Sumar");
sumar.setBounds(120, 170, 100, 20);
getContentPane().add(sumar);
sumar.addActionListener(this);
resultado = new JLabel();
resultado.setText("");
resultado.setBounds(150, 220, 100, 20);
getContentPane().add(resultado);
}
public String getSuma(){
String entrada = ingresar.getText().trim();
String [] numeros;
numeros = entrada.split(",");
int suma = 0;
for(int i=0; i< numeros.length; i++){
suma =+ suma + Integer.parseInt(numeros[i]);
}
resultado.setText(String.valueOf(suma));
return "";
}
@Override
public void actionPerformed(ActionEvent evento) {
if(evento.getSource()== sumar){
getSuma();
}
}
}