Re: file reader returning null when file is not null content

From:
jason <jason.mellone@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Thu, 13 May 2010 17:59:16 -0700 (PDT)
Message-ID:
<5ab965c4-96b2-4ff1-8160-e1717c94340f@p2g2000yqh.googlegroups.com>
On May 4, 2:28 pm, markspace <nos...@nowhere.com> wrote:

jasonwrote:

haha

thanks for humoring me. due to the fact that i have now committed to


I'm not humoring you or answering lightly. I'm dead serious. The on=

ly

way to be productive and produce robust, multi-platform GUIs is to use a
builder tool. Trying to do this by hand is basically a fool's errand.
You'll just end up re-inventing the wheel. Put some effort into
learning how to make the builder tool do what you want, the long term
rewards are worth it.

building the GUI the good old fashioned way i am going to try my best
to steer clear of GUI's for GUI's etc.


Learning is OK, just don't loose sight of the overall goal: producing
code efficiently. Start with the Java tutorials. You'll need to
understand LayoutManagers to lay out by hand. There's lots of good
examples of how to layout components manually here:

<http://java.sun.com/docs/books/tutorial/uiswing/layout/using.html>

You should also look up "Separation of Concerns" before rolling too many
of your own GUI components. Using a GUI builder will help keep you
honest there.

      MyButton.setLocation(0,0);


Use "setBounds" to position a component manually. You will need to
remove the layout manager first, because a layout manager will call
setBounds itself to reposition its components. See this example here:

<http://java.sun.com/docs/books/tutorial/uiswing/layout/none.html>


hey,

one more question in here. everything is working beautifully, now i am
having one issue:
i am trying to run my app outside of netbeans as a .jar file. all
works well but it is in desperate need of a progress bar.

i am trying to implement the following but all i am getting is a
second blank popup window (no progress bar). i am so close (or think i
am) that i can smell it (or maybe i just need to shower).

this UI is popped up after i click a "go!" button or whatever. the
meat of the analysis code executes.

once this starts i would like to watch my progress bar do what it is
made to do. you know. progress!
[code]

public void actionPerformed(ActionEvent arg0) {

JFrame1.setSize(270, 250);
JFrame1.setLocation(200, 200);
JFrame1.setResizable(false);
Insets insets = JFrame1.getInsets();
        JFrame1.setLayout(null);
            JProgressBar JProgressBar1=new JProgressBar(0,100);
            JProgressBar1.setValue(50);
            JProgressBar1.setStringPainted(true);
            Dimension size=JProgressBar1.getPreferredSize();
 
JProgressBar1.setBounds(insets.left,insets.top,size.width,size.height);
            JFrame1.add(JProgressBar1);
                JFrame1.setVisible(true); //i can see this. and all
the applied choices are true. i cannot resize and it appears where it
should at the correct size. but lo and behold, not progressbar.

         for (int i=0;i<=Out.size()-1;i++){

                JProgressBar1.setValue(i);
//other operations..
           }
System.exit(0);
}

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