Moving output to text file

I really dont know what you are talking about. The >> operator means shifting on primitive types. It has nothing to do with writing text files.

To solve you problem, you need some kind of Writer. You can try something like this:

PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("output.txt")));

out.println("foobar");

out.close;

bytoa at 2007-7-29 14:20:50 >

instantiating an object of quadratic? or is that a variable declaration?

pberardi1a at 2007-7-29 14:20:50 >

i would urge you to learn something from the code. its an easy piece of cake. anyone can do it. So its your choice learn it or leave it. if you have questions please ask.

import java.awt.BorderLayout;

import java.awt.Container;

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.FileWriter;

import java.io.IOException;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

public class QuadraticGui extends JFrame implements ActionListener{

private JButton calculate = new JButton("Calculate"),

save = new JButton("save");

private JTextField a1 = new JTextField(5),

b1 = new JTextField(5),

c1 = new JTextField(5),

saveField = new JTextField(10);

private JPanel textPanel, resultLabel, savePanel;

private JLabel result1 = new JLabel("result1"),

result2 = new JLabel("result2");

private double discr, ans1, ans2;

public static void main(String[] args) {

new QuadraticGui().setVisible(true);

}

public QuadraticGui() {

initComponents();

}

private void initComponents() {

Container contentPane = getContentPane();

setSize(350,200);

setTitle("Quadratic Calculator");

calculate.addActionListener(this);

save.addActionListener(this);

a1.setText("1.0");

b1.setText("4.0");

c1.setText("2.0");

saveField.setText("outputs.txt");

textPanel = new JPanel(new FlowLayout());

resultLabel = new JPanel(new FlowLayout());

savePanel = new JPanel();

textPanel.add(a1);

textPanel.add(b1);

textPanel.add(c1);

textPanel.add(calculate);

//textPanel.add(saveField);

//textPanel.add(save);

savePanel.add(saveField);

savePanel.add(save);

resultLabel.add(result1);

resultLabel.add(result2);

contentPane.add(textPanel, BorderLayout.NORTH);

contentPane.add(savePanel, BorderLayout.SOUTH);

contentPane.add(resultLabel, BorderLayout.CENTER);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

public void actionPerformed(ActionEvent e) {

String filename = saveField.getText();

if(e.getSource()==calculate) {

double a = Double.parseDouble(a1.getText());

double b = Double.parseDouble(b1.getText());

double c = Double.parseDouble(c1.getText());

discr = Math.sqrt((b * b) - (4 * a * c));

if(discr > 0) {

ans1 = (-b + discr)/2 * a;

ans2 = (-b - discr)/2 * a;

}

result1.setText("Answer 1: " + ans1);

result2.setText("Answer 2: " + ans2);

} if(e.getSource()==save) {

writeToFile(result1, result2, filename);

}

}

public void writeToFile(JLabel l, JLabel l1, String filename) {

try {

FileWriter writer = new FileWriter(filename);

writer.write(l.getText());

writer.write(l1.getText());

writer.close();

} catch(IOException e) {

e.printStackTrace();

}

}

}

lrngjavaa at 2007-7-29 14:20:50 >

Your program produces no output, so you can't redirect it anywhere.

Are you sure you are supposed to be writing a GUI instead of a program that uses the standard streams (System.in, System.out)?

System.out.println("This is a test");

starfalla at 2007-7-29 14:20:50 >