Starting Java

To use own computer to complete the steps, you will need the following :

• Software :- Java 2 SDK v 1.4.0; Internet Explorer 7 and Textpad.

• Hardware :- A Pentium II-class processor,450 MHZ or higher,personal computer,and Windows 2000, or Windows XP.

• Data Files :- you will be able to complete some of the projects using no special files. However, for many,you will want to use data files that you can obtain electronically from the course Technology web site.
  

Database Administrator(DBA)

Large proportions of the internal development projects undertaken by business utilities a database management systems. This makes a lot of sense, since tools such as this greatly reduce the time required to implement a large-scale system. Usually a business will select a preffered DBMS and use this for the majority of its systems, including those that are bought is as packages.

Starting A Java Program

At first glance, even the simplest java program involves a fair amount of confusing syntax. Consider the following simple program. This program is written on seven lines, and its only task is to print "First Java Program" on the screen.

public class First
{
public static void main(string[]args)

{
system.out.println("First java program")
}
}

The statement that does the actual work in this program is system.out.println("First java program") ;

Java Environment

• Java Source Code

• Java Compilier.

• Java Interpreter.

• Computer Operating System.
  

Java Programing Types

You can write two kinds of programs using java. Programs that are embedded in a web page are called java applets. Stand-alone programs are called java application.

About Programming

A Computer program is simply a set of instruction that you write to tell a computer what to do.