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Object-Oriented Programming 4
- 1. CHAPTER 4 OBJECTS & CLASSES Mr.Warawut Khangkhan e-Mail: awarawut@hotmail.com Social Media: www.facebook.com/AjWarawut
- 2. Mr.Warawut Chapter 4 Objects & Classes Khangkhan 2
- 3. F F F Mr.Warawut Khangkhan F Chapter 4 Objects & Classes Top-Down Bottom-Up F F ˈ FF F F F (Information Hiding) F ˆ F F F F 3 (Encapsulation)
- 4. OBJECTS & CLASSES Mr.Warawut Khangkhan Class F object F F F Chapter 4 Objects & Classes Object F F F , ,F F 4
- 5. Mr.Warawut Chapter 4 Objects & Classes Khangkhan 5 Class name OBJECTS & CLASSES Attribute Method
- 6. Mr.Warawut Chapter 4 Objects & Classes Khangkhan 6 OBJECTS & CLASSES
- 7. OOP Mr.Warawut Khangkhan Abstraction – ˈ F F F F class ˈ F F F Chapter 4 Objects & Classes F F F attribute method Encapsulation – ˈ F F F F F F F class Inheritance – ˈ F class attribute method class F F class Polymorphism – ˈ F 7 class F
- 8. Mr.Warawut Khangkhan Chapter 4 Objects & Classes Objects & Classes F CLASS 8
- 9. Mr.Warawut Chapter 4 Objects & Classes Khangkhan 9 F CLASS attribute method class
- 10. CLASS Mr.Warawut Khangkhan [ modifier ] class className { [ attributeName ] Chapter 4 Objects & Classes [ methodName ] } public class Student { … } 10
- 11. ATTRIBUTE Mr.Warawut Khangkhan [ modifier ] dataType attributeName ; Chapter 4 Objects & Classes public class Student { String name; int age; } 11
- 12. METHOD Mr.Warawut Khangkhan [ modifier ] returnType methodName ([parameter]) { Chapter 4 Objects & Classes [ method_body ] varValue; return varValue; }; 12
- 13. METHOD Mr.Warawut Khangkhan public class Student { String name; Chapter 4 Objects & Classes int age; public void setData( ) { setData( “Warawut Warawut”; name = “Warawut”; 50; age = 50; } getData( public void getData( ) { System.out.println(“Name: System.out.println(“Name: ” + name); System.out.println(“Age: System.out.println(“Age: ” + age); } } 13
- 14. Mr.Warawut Khangkhan Chapter 4 Objects & Classes Objects & Classes CLASS F 14
- 15. OBJECT Mr.Warawut Khangkhan [ modifier ] className objectName; objectName; Chapter 4 Objects & Classes F object objectName = new className( ); className( F object F [ modifier ] className objectName = className( new className( ); 15
- 16. F CLASS Mr.Warawut Khangkhan objectName.attributeName; objectName.attributeName; Chapter 4 Objects & Classes method F F objectName.methodName( [argument] ); objectName.methodName( method F dataType methodValue = objectName.methodName( objectName.methodName( [argument] ); 16
- 17. Mr.Warawut Chapter 4 Objects & Classes Khangkhan 17
- 18. Mr.Warawut Chapter 4 Objects & Classes Khangkhan 18
- 19. Mr.Warawut Khangkhan Chapter 4 Objects & Classes Chapter 4 Objects & Classes MODIFIER JAVA 19
- 20. Mr.Warawut Chapter 4 Objects & Classes Khangkhan 20 JAVA MODIFIER
- 21. MODIFIER JAVA Mr.Warawut Khangkhan Non Access Modifier Access Modifier Chapter 4 Objects & Classes 21
- 22. NON ACCESS MODIFIER Mr.Warawut Khangkhan key word F F F F F class F Chapter 4 Objects & Classes static F ˈ key word F attribute method ˈ static modifier final F ˈ key word F attribute class ˈ final modifier 22
- 23. NON ACCESS MODIFIER - STATIC Mr.Warawut Khangkhan attribute ˈ static F Chapter 4 Objects & Classes F F F object method ˈ static F F F class F class F class F F F F object 23
- 24. NON ACCESS MODIFIER - FINAL Mr.Warawut Khangkhan attribute F F F Chapter 4 Objects & Classes class F F class F 24
- 25. ACCESS MODIFIER Mr.Warawut Khangkhan key word F F F ˈ F F class Chapter 4 Objects & Classes ˂ F class F class F F 25
- 26. ACCESS MODIFIER Mr.Warawut Khangkhan F Access Modifier ˈ 4 Chapter 4 Objects & Classes public F F F class private F F F class F protected F F F class class package F F F class class F package 26
- 27. Mr.Warawut Khangkhan Chapter 4 Objects & Classes Objects & Classes PRIVATE F 27
- 28. Mr.Warawut Chapter 4 Objects & Classes Khangkhan 28
- 29. Mr.Warawut Chapter 4 Objects & Classes Khangkhan 29
- 30. Mr.Warawut Khangkhan Chapter 4 Objects & Classes Objects & Classes PROTECTED F 30
- 31. Mr.Warawut Chapter 4 Objects & Classes Khangkhan 31