1. OBJECT ORIENTED PROGRAMMING
start()
OBJECT ORIENTED PROGRAMMING 1
JAVA

2. Outlines OOP Java Class Object Method Variable Access Modifier2
OOP
Java
Class
Object
Method
Variable
Access Modifier
Static Clause
Example

3. What Is? 2
OOP is programming language based on object.

4. What Is Non Object? Name1 Name2 Color1 Color2 Age1 Age23
Name1 Name2
Color1 Color2
Age1 Age2
Weight1 Weight2

5. What Is Object? Object1 name Object2 Name Color Color Age Age4
Object1 name Object2 Name
Color Color
Age Age
Weight Weight

6. main()
JAVA 5

7. What is? 6
Java is one of Object Oriented Programming specifically designed to have as few dependencies as possible
Developed by James Gosling at Sun Microsystem 1995

8. About Java Object oriented Class based Most popular in 20167
Object oriented
Class based
Most popular in 2016
Run under Java Virtual Machine (JVM)
Run on billions machine
Acquired by Oracle

9. Java Elements 8
Class
Object
Method
Variable

10. What Is Class? A blue print of all instruction of the program.9
A blue print of all instruction of the program.
It is a file anyway

11. About Class File name must match the class name10
File name must match the class name
.java is the file extension & .class is transformed extension after compiling
Can initiate object
Can be accessed from other class

12. What Is Object? 11
An instance of a class. Once created it has all behavior of the class.
Just like a child of a parent

13. About Object 12
It inherits all method and variable of its class. Except the static one(s) (will learn later)
Can be created by other class
Class data independent

14. What Is Method? 13
A behavior (instruction) of the class or object.

15. About Method Mostly used to set or get a value14
Mostly used to set or get a value
It has access modifier (learn later)

16. What Is Variable? 15
A location to store data on memory.

17. About Variable Each variable reserves a location in the memory16
Each variable reserves a location in the memory
In java, unused variable will be thrown to trash
It has access modifier (learn later)

18. Access Modifier Public :transparent to all class17
Public :transparent to all class
Private :transparent to its class
Protected :transparent to its package

19. Static Clause Static clause is used by variable and method.18
Static clause is used by variable and method.
variable that stated as static will always refer to class or parent variable.
And so will method.

20. Illustration Color Brown Get Name Change Name Get Age Change Age19
Color Brown
Get Name
Change Name
Get Age
Change Age
Get Parent Color
Change Parent Color
Jude
5 Y.O
Parent color
John
4 Y.O
Parent color
Jack
2 Y.O
Parent color

21. Example 20 public class Dog{ String name int age public Dog(){}
public string getName(){
return name; }
public void setName(String newName){
name = newName; }
public int getAge(){
return age; }
public void setAge(int newAge){
age = newAge; } //Happy coding… }
public class Display{
@Override
public void onCreat(){
createObject(); }
private createObject(){
Dog dog = new Dog();
dog.setName(“Jack”);
dog.setAge(“3”)
//Happy coding… 20

22. continueToNextPPT()
Thank You 21