How to start Java

Hi everyone,
Am hearing too much about Java and its goodness.. Therefore decided to join try it out.
I trying to install Java version (C:\Program Files\Java\jdk1.6.0_12). But what is next step after that?
I heard about setting path in environment variables in Computer (Right Click> Properties> Advance Tab) Environment Variables..
Q1) That is when there is a list of things to configure.. SETPATH, PATH blar blar blar...
Q2) I realised in my C:\Program Files\ Java I had 2 JRE (Java Run Time Environment) -jre1.5.0_06 & jre6, will that complicates the compiler during runtime compilation?
PS: My Operating System is Win XP Version 2002 Service PAck 3
Regards, Lere

The List?:
[Sun's basic Java tutorial|http://java.sun.com/docs/books/tutorial/]
[Sun's New To Java Center|http://java.sun.com/learning/new2java/index.html]
Includes an overview of what Java is, instructions for setting up Java, an intro to programming (that includes links to the above tutorial or to parts of it), quizzes, a list of resources, and info on certification and courses.
jGuru
A general Java resource site. Includes FAQs, forums, courses, more.
JavaRanch
To quote the tagline on their homepage: "a friendly place for Java greenhorns." FAQs, forums (moderated, I believe), sample code, all kinds of goodies for newbies. From what I've heard, they live up to the "friendly" claim.
[Yawmarks List|http://forums.devshed.com/java-help-9/resources-for-learning-java-249225.html]
[The Java Developers Almanac|http://www.amazon.com/exec/obidos/tg/detail/-/0201752808?v=glance]
[http://javaalmanac.com|http://javaalmanac.com]
Bruce Eckel's [Thinking in Java(Available online.)|http://mindview.net/Books/DownloadSites]
Joshua Bloch's [Effective Java|http://www.amazon.com/Effective-Java-2nd-Joshua-Bloch/dp/0321356683]
Bert Bates and Kathy Sierra's [Head First Java|http://www.amazon.com/exec/obidos/tg/detail/-/0596004656?v=glance]
James Gosling's [The Java Programming Language|http://www.bookpool.com/sm/0321349806]
Gosling is the creator of Java. It doesn't get much more authoritative than this.
Joshua Bloch and Neal Gafter [Java Puzzlers.|http://www.javapuzzlers.com/]

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----------------------------------------------------------------------------java card development require-------------------------------------------------------------
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Your First Cup of Java
The Java? Tutorial - A practical guide for programmers
New to Java Center
Java Programming Notes - Fred Swartz
How To Think Like A Computer Scientist
Introduction to Computer science using Java
The Java Developers Almanac 1.4
Object-Oriented Programming Concepts
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Don't Fear the OOP
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Thinking in Java, by Bruce Eckel (Free online)
Core Servlet Programming, by Merty Hall (Free Online)
More Servlets, by Marty Hall (Free Online)
A Java GUI Programmer's Primer
Data Structures and Algorithms
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Introduction to Programming Using Java, by David J. Eck
Advanced Programming for the Java 2 Platform
The Java Language Specification
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Core Java, by Cay Horstmann and Gary Cornell
Effective Java, by Joshua Bloch
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