java tutorial.ppt

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Java Tutorial
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Core Java

• Introduction to Java
• History of Java
• Features of Java
• Data Type in Java
• Variables in Java
• Keywords Literals
• Type Conversions or Castings
• Operators, Expressions
• Control Structures
• Developments of Methods

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1. Introduction to Java1. Java is one of the
programming language over technology treated by
all the programmers as internet software used by
all the programmers for the development of each
and every application and it is more popular for
the development of distributed application.2.
History Of JavaThe java software development
started in the early of the year 1990 and
released in the middle of the year 1991 on the
name of Oak which is one of the organization name
of java and whose scientific name is one of the
tree name and it has taken 18 months in
development.3. The Java software developed at
SMC INC USA in 1990 and developed by oracle
corporation(developed by a person called James
Gosling).4. In the period of 1990-1991 the
software oak was popular for device level
software (electronic,mechanical, etc . ) but not
popular for application development software.
This is the one of industry expert opinion.
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Features Of Java

• 1. Simple
• 2. Platform Independent
• 3. Architecture Neutral
• 4. Portable
• 5.Multi Threaded
• 6. Networked
• 7.Distributed
• 8. High Performance
• 9. Highly Interpreted
• 10. Dynamic
• 11. Robust(Strong)
• 12. Secured
• 13. OOPs Language

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1. Simple

• Java is one of the simple programming language
  because of the following factor
• (A) Java programming eliminates a complex
  concept called pointers. So that application
  development time is less and application
  execution is less because of magic of BYTE CODE

Java Compiler
Sum.class
Sum.java
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• Consider the following diagram

Java compiler
Sum.java
Sum.class