Programming Language

1. INTRODUCTION
TO JAVA
IVY BACOLONGAN

2. JAVA HISTORY
JAVA TERMINOLOGY
FEATURES OF JAVA
JAVA BASIC SYNTAX
JAVA IDENTIFIER
VARIABLES & DATA
TYPES IN JAVA
TOPIC
OUTLINE

3. JAVA
- was developed by James Gosling at Sun
Microsystems Inc, later acquired by Oracle
Corporation.
- It is a simple programming language
- Java is a class-based, object-oriented programming language
and is designed to have as few implementation dependencies
as possible.
- A general-purpose programming language made for
developers to write once run anywhere that is compiled Java
code can run on all platforms that support Java.
- Java applications are compiled to byte code that can run on
any Java Virtual Machine. The syntax of Java is similar to
c/c++.

4. James Gosling, Mike Sheridan, and Patrick
Naughton, a team of Sun engineers known as
the Green team initiated the Java language
Sun Microsystems released its first public implementation in
1996 as Java 1.0. It was re-written by Arthur Van Hoff to
strictly comply with its specifications
Sun generated revenue from Java through the
selling of licenses for specialized products
such as the Java Enterprise System.
JAVA LANGUAGE
1991
1996
1997
JAVA 1.0
JAVA ENTERPRISE SYSTEM.
HISTORY

5. Sun released much of its Java virtual machine
as free, open-source software
Sun finished the process, making all of its JVM’s core code
available under open-source distribution terms.
NOVEMBER 13, 2006
2006
2007 MAY 8, 2007
HISTORY

6. Java was developed by James Gosling, who is
known as the Father of Java.
JAVA
1995
2007
HISTORY
The principles for creating java were simple, robust,
secured, high performance, portable, multi-threaded,
interpreted, dynamic, etc

7. JAVA PROGRAMMING LANGUAGE
IS NAMED JAVA. WHY?
After the name OAK, the team decided to give a new name to it and
the suggested words were Silk, Jolt, revolutionary, DNA, dynamic, etc.
These all names were easy to spell and fun to say, but they all wanted
the name to reflect the essence of technology. In accordance with
James Gosling, Java the among the top names along with Silk, and
since java was a unique name so most of them preferred it.
Java is the name of an island in Indonesia where the first
coffee(named java coffee) was produced. And this name was chosen
by James Gosling while having coffee near his office. Note that Java is
just a name, not an acronym.

8. JAVA
TERMINOLOGY
Java Virtual Machine(JVM)
Bytecode in the Development
process
Java Development Kit(JDK)
Java Runtime Environment (JRE)
Garbage Collector
ClassPath

13. MAIN FEATURES
OF JAVA
Platform Independent
Object-Oriented Programming
Language
Simple
Robust
Secure
Distributed
Multithreading
Portable
High Performance

14. MAIN FEATURES
OF JAVA
Sandbox Execution
Write Once Run Anywhere
Power of compilation and
interpretation

26. JAVA BASIC
SYNTAX
Java program is a collection of objects,
and these objects communicate through
method calls to each other to work
together.

27. BASIC
TERMINOLOGIES
IN JAVA
Class
Object
Method
Instance Variables

28. CLASS
The class is a blueprint (plan) of the instance
of a class (object). It can be defined as a
template that describes the data and
behavior associated with its instance.
Example:
Blueprint of the house is class.

29. OBJECT
The object is an instance of a class. It is an
entity that has behavior and state.
A car is an object whose states are: brand,
color, and number plate.
Running on the road.
Example:
Behavior:

30. METHOD
The behavior of an object is the method.
The fuel indicator indicates the amount of
fuel left in the car.
Example:

31. INSTANCE
VARIABLES
Every object has its own unique set of
instance variables. The state of an object is
generally created by the values that are
assigned to these instance variables.
Steps to compile and
run a java program in
a console
Example:

32. SYNTAX
Source File Name
Case Sensitivity
Class Name
public static void main(String [] args)
Methods Name
Identifiers in Java
White Spaces in Java
Java Keywords

34. SOURCE FILENAME

35. CASE SENSITIVITY

36. CLASS
NAMES

37. PUBLIC STATIC VOID
MAIN(STRING [] ARGS)

38. METHOD NAMES

39. IDENTIFIERS
IN
JAVA

40. WHITE SPACES IN JAVA

41. JAVA KEYWORDS

43. JAVA IDENTIFIERS

44. JAVA IDENTIFIERS

45. JAVA IDENTIFIERS

46. JAVA IDENTIFIERS

48. CONTINUATION ON
NEXT SLIDE.....