Life is short....learn Python!!

Let me guess why you are here?
You are a programmer and want to learn the python programming language.
You are a student who has python as one of his/her subjects.
You are a language hobbyist like me! ;)
...if you are looking for python(a species of snakes) this is not the place for you!! :) 

How to install Java 6 and Java Runtime Environment in Ubuntu....???

  Java is one of the most popular languages of today.
  Java has now a vast,well-established and ever-
  expanding user group.The growth of Java has been
  phenomenal and the speed of Java has increased
  since its first release.Java is nowadays a preferred
  language in Internet programming,cross-platform
  applications and many areas.
  Java is WORA (Write Once Run Anywhere) 
  language which makes it an instant choice for 
  building applications which need to be portable.

Installing softwares in Ubuntu....exploring Ubuntu Universe!!

Ubuntu has almost everything that you need in your everyday work.But it may happen that you need some extra softwares or codecs for your movies or songs.Ubuntu takes care of that too.
Everything in ubuntu is installed as packages....you can think of those packages as exe in 
Windows for the time being(actually only the .deb format sofwares are like the exe in Windows)
You can also uninstall these packages too...just like you remove the softwares in windows.