ASSIGNMENT $2$A

Assignment $2$A tests your understanding of program complexity on different solutions to the same problem.

Part $1.$ Design a Java driver class $($called YourNameAssignment$2$A; replace YourName ${?}_{(})$ with your actual name$),$ with the

following $3$ methods $($use the exact$/$precise names, spelling, caps, parameters, returned values, functionality$)$ that

compute the Nth element of the series $1+2^2+3^2+dots{N}^2,$ representing the sum of the squares of the first $N$ positive

integers, using $3$ different programming algorithm $($replace YourName with your actual name$)$:

The methods should return $0$ if the parameter $N$ is not a positive integer. Use your $3$ methods in the main method for $3$

different values for parameter N $.$

Part $2.$ Implement the class in NetBeans IDE and JAVA: Create a JAVA project called YourNameAssignment$2$A $($same

name as the driver class$)$ and add your code to YourNameAssignmen$2$A project$/$driver class. Your program should be user$-$

friendly and be well$-$documented$/$commented $($have comments for every line of code$).$

Part $3.$ Create the screenshot document for your code and output: Create a Microsoft Word document from the

YourName$-$Assignment$2$A$.$docx template and call it YourName$-$Assignment$2$A$.$docx $($replace YourName with your actual

name$)$ Add to the document your complete screenshots of the NetBeans editor window showing the complete JAVA

source code for YourNameAssignment$2$A class and complete screenshots the complete output. If the entire class JAVA

source code or the output does not fit in one screenshot or the screenshots cannot be easily read, create multiple

screenshots and add multiple screenshots to the screenshot document. Please keep the screenshots in order $($look at the

line numbers$).$ If your output is longer than a line and does not fit on one screen, Wrap Text in your output panel..

Part $4.$ Compute the complexity of each of the $3$ methods$/$algorithms using the Big O notation. In the YourName$-$

Assignment$2$A$.$docx document in the COMPLEXITY section and in the table below the exact Complexity in Big O Notation

for each of your $3$ methods and the Big O notation calculations$/$explanations for the method complexity for each one of

the $3$ methods $($replace YourName with your actual name$)$:

The Explanations column add details on how you computed the Big$-$O notation complexity for the Method, and, for the

Best Method row, explain why you selected that particular method as Best Method as Complexity in Big$-$O Notation.

Part $5.$ Submit your work: Submit YourName$-$Assignment$2$A$.$docx on eCampus under the Assignment $2$A$.$ Do not archive

the files $($e$.$g$.$ no RAR, ZIP, etc.$)$ or submit other types$/$formats of files $($e$.$g$.$ no CLASS, PDF$,$ JAVA, etc.$).$ Please take time

after submitting to review the file and check it is correct and resubmit it if there are any errors.