Coder Forum

Java Quellcode

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import java.io.*;
 
 
 
public class DasApplet extends Applet implements ActionListener
{
    Button button1;
    Cschreiber schreiber;
    Label test;
 
    public void init()
    { 
 
        schreiber = new Cschreiber();
        button1=new Button("Speichern");
        test = new Label("");
        button1.addActionListener(this);
        add(button1);
        add(test);
 
    }
    public void actionPerformed(ActionEvent e)
    {
        if(e.getSource() == button1)
        {
            test.setText("hat nicht geklappt");
            schreiber.schreiben();
            test.setText("hat geklappt");
        }
 
    }
}

Java Quellcode

import java.io.*;
 
public class Cschreiber
{
String inhalt;
public File file;
 
public Cschreiber()
{
inhalt =new String("hallo");
}
 
 
public void schreiben() {
try { 
inhalt = "hallo";
file = new File("Test.txt");
PrintWriter writer = new PrintWriter(file);
writer.write(inhalt);
writer.close();
 
} catch (FileNotFoundException e) {
 
e.printStackTrace();
}
} 
}