M255: -Oriented programming with
M255 TMA Spring 13 [80 marks] Cut-off date 30/4/2013
2
Question 1 [20 marks]
1- How many concrete classes are there? List them
2- How many interface are there? List them
3- What are the attributes and the protocol of Employee
4- What are the attributes and the protocol of FullTimeEmployee?
5- What are the attributes and the protocol of PartTimeEmployee?
6- What is the relationship between Employee and PartTimeEmployee?
What is the keyword is used to represent this kind of relationship?
7-What is the relationship between PartTimeEmployee and Perfectly?
What is the keyword is used to represent this kind of relationship?
8-Does toString method in FullTimeEmployee overload or override the
toString() method in Employee?
9- Write the header of the abstract class Employee
10- Write the header of the class PartTimeEmployee
11- Write the header of the class FullTimeEmployee
12- Write the header and the body of Perfectly
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M255 TMA Spring 13 [80 marks] Cut-off date 30/4/2013
3
Question 2 [25 marks]
The following table represents a part of a marketing list showing various
employees’ s with their points.
Grade
“ali” 182
“ahmad” 270
“khaled” 195
“faisal” 188
This table is to be implemented and managed by an instance of a class
called Marketing.
(a) Write a class header of the class Marketing and write a single
attribute: index that will reference a collection suitable for holding the
data in table1. [2 marks]
(b) Write a zero argument constructor for Marketing that initializes
index to an instance of a suitable empty collection class. [2 marks]
(c) Write a public instance method called add() for the Marketing class
that takes no arguments and returns no value. This method should
simply fill the index with the data as in the table, it should ask the user
to add employees until he entered Zero as the of the employee
[5 marks]
(d) Write a public instance method for the Marketing class called:
getPoints (String ). This method returns the points of the specific
that are found in the collection [5 marks]
(e) Write a public instance method for the Marketing class called
printList(). This method prints the index entries. Use for-each
statement. [3 marks]
(f) Write a public instance method for the Marketing class called
average(). This method returns average of grades of the index entries.
[5 marks]
(g) Write statements to do the followings: [3 marks]
• Declare and create an called myMarket of Marketing class
• Use myMarket to call add() method and fill the collection
• Printout average of m255 .
• Printout the points of “faisal”
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M255 TMA Spring 13 [80 marks] Cut-off date 30/4/2013
4
Question 3 [20 marks]
1. Write a code to do the followings:
2. Declare and create an integer Set called number.
3. Insert 10 values in the set
4. Printout the size of the set
5. Find average of numbers and print it
6. Find max of the numbers and print it
7. Print elements of the set using foreach
8. Test if 10 is an element of the set
9. Printout the first and the last number in the set
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Aquestion 4 [15 marks]
1. Declare and create a list s.
2. Print the size of the list.
3. Adding the following element into s: "ahmed", "khaled", and
"ali"
4. Print s elements using foreach statement
5. Print s elements using one statement:
6. Add another element "ahmed" in position 1
7. Find the index of "ahmed "
8. Remove "ali" from s.
9. Sort s
10. Print s in reverse order.
11. Print the s in random way
END of TMA Questions
حل الواجب بأفضل صورة O544321455 - OO966544321455 - [email protected]
حل الواجب بأفضل صورة O544321455 - OO966544321455 - [email protected]
حل الواجب بأفضل صورة O544321455 - OO966544321455 - [email protected]
حل الواجب بأفضل صورة O544321455 - OO966544321455 - [email protected]
