Following is a code snippet that teaches java coding conventions.
Around the bottom of the snippet, I notice setter and getter methods.
I don't know why I am advised to write setter and getter method. Could
anyone explain what the use of setter and getter methods are.

I am stuck in a problem.
The following code doesn't quit the for/while loop:
InputStreamReader ins = new InputStreamReader(System.in);
StringBuilder sb = new StringBuilder();

Here's a piece of code that I borrowed from another site and made to
show my traffic light.
I added the 6 methods to turn on and off each light, but I have no idea
what to put in each of them.  Is there a way to do this without having

http://learnjava.awardspace.com
This site  includes JAVA lessons from the beginning to advanced level.
So this site appropiates for the beginner or non-basic of Java
language.

(Cross posting, sorry...)
Hello there!
I'm trying to get to an xml document root node (named dataroot), I've
tried different things, like :

Given:
1. class Super {
2. public float getNum() { return 3.0f; }
3. }

/**
 *
 * @author kevin
 */

Despite having worked with a laptop day in day out, I only landed up
with aching wrists, strained neck and back; with my work still
pending. I could quote several reasons for it - my laptop processor
runs too hot, my laptop keeps slipping from the pillow, plus the