1. Welcome back to Software Development!

2. Reading Questions

3. Reading Questions
What are scope modifiers (public/private)

4. Reading Questions What are scope modifiers (public/private)
Qualify what can access the name (either inside or outside the class)

5. Reading Questions What are scope modifiers (public/private)
Qualify what can access the name (either inside or outside the class)
Now called access modifiers

6. Reading Questions What are scope modifiers (public/private)
Qualify what can access the name (either inside or outside the class)
Now called access modifiers
private – it is “PB” (private business)

7. Reading Questions What are scope modifiers (public/private)
Qualify what can access the name (either inside or outside the class)
Now called access modifiers
private – it is “PB” (private business)
Can only use it from inside the class it is part of

8. Reading Questions What are scope modifiers (public/private)
Qualify what can access the name (either inside or outside the class)
Now called access modifiers
private – it is “PB” (private business)
Can only use it from inside the class it is part of
public – it is “public knowledge”

9. Reading Questions What are scope modifiers (public/private)
Qualify what can access the name (either inside or outside the class)
Now called access modifiers
private – it is “PB” (private business)
Can only use it from inside the class it is part of
public – it is “public knowledge”
The “general public” (anyone outside the class) can use/change it

10. Reading Questions What are scope modifiers (public/private)
Qualify what can access the name (either inside or outside the class)
Now called access modifiers
private – it is “PB” (private business)
Can only use it from inside the class it is part of
public – it is “public knowledge”
The “general public” (anyone outside the class) can use/change it
Scope exercise…

11. Reading Questions What are scope modifiers (public/private)
Qualify what can access the name (either inside or outside the class)
Now called access modifiers
private – it is “PB” (private business)
Can only use it from inside the class it is part of
public – it is “public knowledge”
The “general public” (anyone outside the class) can use/change it
Scope exercise…
Curly braces create a “block” of code

12. Reading Questions What are scope modifiers (public/private)
Qualify what can access the name (either inside or outside the class)
Now called access modifiers
private – it is “PB” (private business)
Can only use it from inside the class it is part of
public – it is “public knowledge”
The “general public” (anyone outside the class) can use/change it
Scope exercise…
Curly braces create a “block” of code
Scope means “where the name can be used”

13. Reading Questions What are scope modifiers (public/private)
Qualify what can access the name (either inside or outside the class)
Now called access modifiers
private – it is “PB” (private business)
Can only use it from inside the class it is part of
public – it is “public knowledge”
The “general public” (anyone outside the class) can use/change it
Scope exercise…
Curly braces create a “block” of code
Scope means “where the name can be used”
Determined by the curly braces { } that surround it

14. Reading Questions What are scope modifiers (public/private)
Qualify what can access the name (either inside or outside the class)
Now called access modifiers
private – it is “PB” (private business)
Can only use it from inside the class it is part of
public – it is “public knowledge”
The “general public” (anyone outside the class) can use/change it
Scope exercise…
Curly braces create a “block” of code
Scope means “where the name can be used”
Determined by the curly braces { } that surround it
Inner blocks have access to stuff in outer blocks’ scope

15. Reading Questions
What are scope modifiers (public/private)

16. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?

17. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
Methods

18. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
Methods
The actual code that does the work

19. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
Methods
The actual code that does the work
Fields

20. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
Methods
The actual code that does the work
Fields
What the book calls “instance variables”

21. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
Methods
The actual code that does the work
Fields
What the book calls “instance variables”
The data or information the class uses

22. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
Methods
The actual code that does the work
Fields
What the book calls “instance variables”
The data or information the class uses
The class variables that any method of the class can use

23. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
Methods
The actual code that does the work
Fields
What the book calls “instance variables”
The data or information the class uses
The class variables that any method of the class can use
Properties

24. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
Methods
The actual code that does the work
Fields
What the book calls “instance variables”
The data or information the class uses
The class variables that any method of the class can use
Properties
Sometimes called “smart fields”

25. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
Methods
The actual code that does the work
Fields
What the book calls “instance variables”
The data or information the class uses
The class variables that any method of the class can use
Properties
Sometimes called “smart fields”
Methods that look like fields…you can use them almost like variables

26. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
Methods
The actual code that does the work
Fields
What the book calls “instance variables”
The data or information the class uses
The class variables that any method of the class can use
Properties
Sometimes called “smart fields”
Methods that look like fields…you can use them almost like variables
They “protect” the class variables (fields)

27. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?

28. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
What is an instance (static and new)?

29. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
What is an instance (static and new)?
What are instance variables?

30. Reading Questions What are scope modifiers (public/private)
What are properties (Set/Get)?
What is an instance (static and new)?
What are instance variables?
What are filters?