Essay: Programming Basics

Sample Essay

Discuss where polymorphism was used in the application.

Polymorphism was used in the definition of Counter class when the class was used to implement the Runnable Interface.

b. Identify where you used overriding or overloading in your application.

Overriding was used to implement the run() method of the Runnable interface.

Output of Applications:

Task 1:

run:

Company Name = Amazing Software

Amount Due = 5000.0

Charge Date = January 18, 2009

Invoice Number = 1

Company Name = Best Programs

Amount Due = 4000.0

Charge Date = February 18,2009

Invoice Number = 2

Company Name = Champion Code

Amount Due = 3000.0

Charge Date = March 18, 2009

Invoice Number = 3

BUILD SUCCESSFUL (total time: 0 seconds)

Task 2:

run:

Thread 1 = 5

Thread 1 = 4

Thread 1 = 3

Thread 1 = 2

Thread 1 = 1

Blast Off!

Thread 2 = 5

Thread 2 = 4

Thread 2 = 3

Thread 2 = 2

Thread 2 = 1

Blast Off!

Thread 3 = 5

Thread 3 = 4

Thread 3 = 3

Thread 3 = 2

Thread 3 = 1

Blast Off!

Thread 4 = 5

Thread 4 = 4

Thread 4 = 3

Thread 4 = 2

Thread 4 = 1

Blast Off!

Thread 5 = 5

Thread 5 = 4

Thread 5 = 3

Thread 5 = 2

Thread 5 = 1

Blast Off!

BUILD SUCCESSFUL (total time: 1 second)

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