Showing posts with label JAva. Show all posts
Showing posts with label JAva. Show all posts

Tuesday, 10 September 2013

System.out.Println Java


We usually use many or dozen of times but do we really know what it is.
System.out.println() just prints the argument passed  into the System.out.

System.out.println():
1.System: It is a final class and cannot be inherited .For further know-how refer to javadocs.
2.out: It is of type PrintStream and static menber of System Class.The Access specifiers for it is public final.
3.println():As braces itself says that it is a function that print whatever pass to it in the standard console.
 Every println makes a call to print method and print calls to write method .

A simple program to print Hello using System.out.println():
class a
{
public static void main(Strings args[])
{
System.out.println("Hello") ;
}
}
Compile:javac a.java
run:java a

Friday, 17 May 2013

Java Projects Java Assignment

Java is not a language it is technology when we talk about java we should know what we can do through Java,how prowerful and secure it is and what constraints and checkpoints we can add to our Webapp,Software or mobile apps in an effective manner.
Java is having three main Edition:
1.Java 2 Standard Edition: (J2SE)
What we can make and Learn in this through this we can make an standalone program like an inventory system or tracking system for a shop,offfice or any manufacturing industry.Simple Standalone application that we can make by using Swing,JDBC and Sqlite as required for our initial Project.
2.Java 2 Enterprise Edition:(J2EE)
When we talk about Enterprise Edition we are mostly talking ERP for a Company,Any Web Based management project by using mutli layer and in depth architecture for development.Here generally we talk about HTML,CSS,Javascript For GUI,JSP,Servlet,Struts,Spring,Design Patterns,Php In java,Ruby in Java and mobile based customization so to have more value to our project.
Simply it is an online Meeting System,Online Banking Management Project etc as this project requires to think in more depth manner by keeping in mind security as first Priority.
Here We can Use Various CMS like Sharepoint,Hippo,OpenCMS,Liferay etc.
3.Java 2 Micro Edition:(J2ME):JAVAME
We are talking about here our mobile portion and there connection with server in order to develop our mobile games,mobile apps  for fun and learning,for security purposes.
It include  each and every section of mobile part and developing it more securily by using Java Technology in an meaningful manner.For Set-top boxes,blu-ray Disc Players etc.
Here we generally use:Java ,SQlite,XML,python etc.


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