• JW's Most Read
• Editor's Choice

Top 10 in 2008

1. Hello, OSGi: Bundles for beginners
2. Eclipse or NetBeans? IDEs compared
3. Is Tomcat enterprise ready?
4. IBATIS, Hibernate, and JPA: Which is right for you?
5. Merging and branching in Subversion 1.5
6. Understanding the Java Persistence API
7. Four harmful Java idioms, and how to fix them
8. Asynchronous HTTP and Comet architectures
9. Introducing Hibernate Search
10. Open source Java projects: Java Native Access

5 popular archives:

1. Introduction to Java threads (1996)
2. Put JSF to work (2004)
3. The Maven 2 POM demystified (2006)
4. Get started with Hibernate (2004)
5. Acegi security in one hour (2007)

All selections are based on page views.

Best of 2008: A developer's list

JW blogger Dustin Marx names his top 10 technology events of 2008. Highlights include updates to Java SE 6, runtime support in OpenLaszlo 4.2, and the clash of the titans that occurred early in the year, when Sun acquired MySQL on the same day that Oracle announced its acquisition of BEA. No two lists are alike and it's not too late: What were your top 10 for 2008?

Also see:

• 2008: Year of the Java Persistence API (JW Blogs)
• Dumb and dumber: Tech's big goofs (CIO.com)
• Here comes 2009: Bold prophesies from IT prognosticators (Network World)

import javax.swing.text.*;
public class LimitDocument extends PlainDocument 
{
    private int limit;
    public LimitDocument(int limit) 
    {
        super();
      setLimit(limit); // store the limit 
    }
    public final int getLimit() 
    {
      return limit;
    }
    public void insertString(int offset, String s, AttributeSet attributeSet) 
        throws BadLocationException 
    {
        if(offset < limit) // if we haven't reached the limit, insert the string
      {
            super.insertString(offset,s,attributeSet);
      } // otherwise, just lose the string
    }
    public final void setLimit(int newValue) 
    {
        this.limit = newValue;
    }
}
public static void main(String args[]) 
{
    JFrame f = new JFrame("Limit Test");
    JTextField text = new JTextField();
    text.setDocument(new LimitDocument(10));
    f.getContentPane().add(BorderLayout.NORTH,text);
    f.show();
}

import javax.swing.text.*;
public class LimitDocument extends PlainDocument 
{
    private int limit;
    public LimitDocument(int limit) 
    {
        super();
        setLimit(limit); // store the limit 
    }
    public final int getLimit() 
    {
        return limit;
    }
    public void insertString(int offset, String s, AttributeSet attributeSet) 
    throws BadLocationException 
    {
    int end = getEndPosition().getOffset() - 1; // get the position of where the string ends
    StringBuffer sb = new StringBuffer(getText(0,end)); 
    sb = sb.insert(offset,s);
    String new_s = sb.toString();
    if(new_s.length() >= limit)
    {
        new_s = new_s.substring(0,limit);
    }
    super.remove(0,end);
    super.insertString(0,new_s,attributeSet);
    }
    public final void setLimit(int newValue) 
    {
        this.limit = newValue;
    }
}
public static void main(String args[]) 
{
    JFrame f = new JFrame("Limit Test");
    JTextField text = new JTextField();
    text.setDocument(new LimitDocument(10));
    f.getContentPane().add(BorderLayout.NORTH,text);
    f.pack();
    f.show();
}