Eclipse compile problem

From:
"Mikey" <mminorhsd@earthlink.net>
Newsgroups:
comp.lang.java.gui
Date:
Wed, 24 Feb 2010 14:22:10 -0500
Message-ID:
<q_Gdne6Cq8HE4RjWnZ2dnUVZ_gmdnZ2d@earthlink.com>
This is a multi-part message in MIME format.

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The following code compiles and runs properly using BlueJay.

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class LayoutBox2
{
    private JFrame frame;
    public static void main (String[] args)
    {
        LayoutBox2 guiLayout = new LayoutBox2();
        guiLayout.start();
    }
    public void start()
    {
        frame = new JFrame("Border Layout");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Container contentPane = frame.getContentPane();
        contentPane.setLayout(new BoxLayout(contentPane, =
BoxLayout.Y_AXIS));
        contentPane.add(new JButton("First Button"));
        contentPane.add(new JButton("Second Button - a long one"));
        contentPane.add(new JButton("Third Button"));
        contentPane.add(new JButton("Fourth Button"));
        frame.pack();
        frame.setVisible(true);
    }
}

However Eclipse gives an error on the following line:

        contentPane.setLayout(new BoxLayout(contentPane, =
BoxLayout.Y_AXIS));

The error says that it can't resolve the Y_AXIS...

I know that this is way to easy for most of you, but as someone new to =
Java, it is driving me mad. Does anyone have any idea why it will =
compile in one program and not the other?

Mike
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; =
charset=iso-8859-1">
<META content="MSHTML 6.00.2900.5921" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY>
<DIV><FONT face=Arial size=2>The following code compiles and runs =
properly using
BlueJay. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>import java.awt.*;<BR>import
java.awt.event.*;<BR>import javax.swing.*;<BR>public class
LayoutBox2<BR>{<BR>&nbsp;&nbsp;&nbsp; private JFrame
frame;<BR>&nbsp;&nbsp;&nbsp; public static void main (String[] args)
<BR>&nbsp;&nbsp;&nbsp; {<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
LayoutBox2 guiLayout = new
LayoutBox2();<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
guiLayout.start();<BR>&nbsp;&nbsp;&nbsp; }<BR>&nbsp;&nbsp;&nbsp; public =
void
start() <BR>&nbsp;&nbsp;&nbsp; =
{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
frame = new JFrame("Border
Layout");<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<BR>&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;
Container contentPane =
frame.getContentPane();<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
contentPane.setLayout(new BoxLayout(contentPane,
BoxLayout.Y_AXIS));<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
contentPane.add(new JButton("First
Button"));<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
contentPane.add(new
JButton("Second Button - a long
one"));<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
contentPane.add(new
JButton("Third Button"));<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
contentPane.add(new JButton("Fourth
Button"));<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
frame.pack();<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
frame.setVisible(true);<BR>&nbsp;&nbsp;&nbsp; }<BR>}</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>However Eclipse gives an error on the =
following
line:</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial =
size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT
color=#ff0000>contentPane.setLayout(new BoxLayout(contentPane,
BoxLayout.Y_AXIS));<BR></FONT></FONT></DIV>
<DIV><FONT face=Arial size=2>The error&nbsp;says that it can't =
resolve the
Y_AXIS...</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>I know that this is way to easy for =
most of you,
but as someone new to Java, it is driving me mad. Does anyone have any =
idea why
it will compile in one program and not the other?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>Mike</FONT></DIV></BODY></HTML>

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