APCS Unit 8

1
APCS Unit 8
A copy of this file is in the share drive/Unit8

• Strings

2
Agenda/Objectives 10-9

• Turn In
• Bank and BankTester java files
• PermutationGenerator with Test java files
• Warm-Up Find the output to the following code
  segments
• String state "Mississippi"
• int len state.length()
• char ch state.charAt(8)
• String stub "ssip"
• int index1 state.indexOf(stub)
• int index2 state.indexOf('s')
• System.out.println("The length of " state "
  is " len
• " characters")
• System.out.println("The character at index 8 is
  " ch)
• System.out.println("The beginning index of "
  stub " is "
• index1)
• System.out.println("The first index value of s
  is " index2)

3
Agenda/Objectives 10-9 Cont.

• Strings Unit8_Lecture.ppt (Slides 1-10)
• To create and manipulate immutable character
  string objects of class String.
• To create and manipulate objects of class
  Character.
• In Class Assignment Work independently
• Copy the Lesson A10 Strings folder from the
  share/Unit8 directory to your H drive
• Read through the Lesson A10 Strings.doc
• Complete Lab Assignment A10.1 (12)
• Homework
• Ch29HomeworkAssign Set1

4
Agenda/Objectives 10-10

• Turn-In Ch29HomeworkAssign Set1
• Keep the Lesson A10 assignments. They will be
  collected all together
• Ch7 Arrays ArrayList Review Can you?..
• Initialize an array of given length
• add() elements to an ArrayList
• set() elements in an ArrayList
• Write a constructor that recieves parameter
  values (BankAccount a, ArrayList b, int c, double
  e, ect)
• Gridworld how bugs work (location (r,c),
  direction, act())
• If boolean c true and boolean d false
• Can you calcualte !c !d and !c !d

5
Agenda/Objectives 10-10 cont.

• When you finish the exam..
• Ch29HomeworkAssign Set2
• Complete all exercises from Gridworld Part 2
• Continue working on the Lesson A10 Lab 1
• Both will be due on Monday

6
Agenda/Objectives 10-13

• Turn-in
• Ch29HomeworkAssign Set2
• Gridworld Part 2 Lesson A10 Lab 1 palindrome
• Warm-up
• Given the following declarations
• int area
• String name
•  
• a. area is a                                  
  variable, and name is a                           
          variable.
•  
• b. How many objects have been created?
                            
•  

7
Agenda/Objectives 10-13 cont.

• 2. Given the following section of code
• String strA new String("Oh! ")
• String strB new String("No! ")
•  
• strA strB
• System.out.print(strA)
• System.out.println(strB)
•  
• What is written to the monitor?
                                                    
                               

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Agenda/Objectives 10-13 cont.

• Review Homework Ch29HomeworkAssign Set2
• Gridworld Part 2 Lesson A10 Lab 1 palindrome
• String Objects
• Unit8_Lecture.ppt (Slides 12 23)
• Also review Lesson A10.doc
• G. Immutability of Strings
• H. Comparing Strings
• Ch29HomeworkAssign Set 3
• In class A10 Lab1 part 4
• Book Exercise 29.5 Write an application that
  uses random-number generation to create a
  sentence.
• Use String and char arrays and associated methods
  (not StringBuffer)
• Dont have to create the short story

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Agenda/Objectives 10-14

• Turn-In Ch29HomeworkAssign Set3
• Lesson A10 Lab 1 part 4 (PigLatin), Ex29.5
• String Objects Unit8_Lecture.ppt (Slides 24-38)
• Locating Characters and Substrings in Strings
• Concatenating Strings
• Miscellaneous String Methods
• String Method valueOf
• Also review Lesson A10.doc
• E. String Query Methods
• F. String Translation Methods

Strings Quiz 10/17
10
Agenda/Objectives 10-14

• In class A10 Lab1 part 5 - ShortHand
• Homework Ch29HomeworkAssign Set 4
• Assume a program declares and initializes x as
  follows
• String x
• x new String10
• initialize(x) //Fills the array x with
  strings //each of length 5
• Write the initialize method
• Write a program which traverses the array and
  prints out the first character of all tens
  strings, followed by the second character of all
  ten strings, followed by the third character and
  so on
• (hint use the substring method)
• String Project A10 Lab2 Rental Car(all
  parts) - Due 10/21

Strings Quiz 10/17
11
Agenda/Objectives 10-15

• Open Lab Day ?
• --------------------------------------------------
  -----------------------
• Due by the end of class Turn - In
• A10 Lab1 part 5 ShortHand
• Ch29HomeworkAssign Set 4
• --------------------------------------------------
  -----------------------------------
• Study for the
• --------------------------------------------------
  --------------------------------------------------
  --
• Work on..
• String Project A10 Lab2 Rental Car(all
  parts) - Due 10/21

Strings Quiz 10/17