Java For Life..

 1.      "Write a program i efficient way as you  write for kernal schedular"...       

 2.      " Learning the art of programming,like most other disciplines,   consists of  first learning the                   rules and  then learning ehen to break them."

3.       "Learning  Java is not listening in the class .. But it is  practising in the  Machine"... 

              

           So ,friends..we said that  "java is for life"....so, today we start  with  basics ......let's start the                  lesson... 

           

           So  at first we have to know ....

           What is a program???

           So, a program is a set of instructions  which is used  to perform a specific task...

           and also..we  all used to say "application" and "software" we regularly use these terms..but  we            does not know the  perfect meaning or definition..here iam going to give that..

           What is application / software ???

            It is a colliction of programs which will perform a set of task required for the organisation..

             and  Developing  software  is  like converting  the "real world " requirment into an                                application..

              There are  two  types of softwares..

              1) System Software.

               2)Application Software..

             so,, what is system,& application software??

           System Software??:-

           The software  which is used to make use of " physical devices "of the machine or system.

           EX: OS,device drivers,etc.,

           Application Software??:-

           Application Software is used for  making use of  fulfilling the requirments  of  "human being".

           This  software may be developed  for entertainment,,business  purpose.or any other needs of                 human being.. 

              there are two  categories..

          1)Stand alone application.

          2)Web based application.

          Stand Alone application:-

          An application which is installed and executed on the same machine  are called  stand alone                 application.

          EX:- Tally,MS-office,Calculator etc.,

          Web Based application:-

           The application which can be installed  on  "one machine" & which can be executed on  "any             other machine" in the "network"..

         Web Based application will be run through the  Client. which is a [browser].

          These applications  are "client server " type of applications.

         EX:- G-mail,facebook,all websites etc.,