Assignment 4

Assignment 4
Before attempting this project, be sure you have completed all of the reading assignments, nongraded exercises, discussions, and assignments to date.
(1) Write Java code to prompt the user for the starting number (e.g. 1) and output the triangle
pattern below using nested for-loops.
(2) Write Java code to prompt the user for the starting number to print (e.g. 5) and output
rectangular pattern below: Use nested for-loops.
Hint: Check out practice exercise 3 in the class materials.
Make sure your Java program is using the recommended style such as:
• Javadoc comment upfront with your name as author, date, and brief purpose of the
program
• Comments for variables and blocks of code to describe major functionality
• Meaningful variable names and prompts
• Identifiers are written in upper CamelCase
• Class name starts with upper case letter and variables in lower case letter
• Constants are written in All Capitals
• Use proper spacing and empty lines to make code human-readable
Capture execution:
You should capture and label screen captures associated with compiling your code and running
a couple of different inputs for each program.
Submission requirements
Deliverables include Java program(s) (.java) and a single Word (or PDF) document. You can
code both exercises in a single java program or in two separate ones. The Java and Word/PDF
files should be named appropriately for the assignment (as indicated in the
SubmissionRequirements document.
The word (or PDF) document should include screen captures showing the successful compiling
and running of each of the programs. Each screen capture should be properly labeled clearly
indicate what the screen capture represents.
Submit your files to the Assignment 4 submission area no later than the due date listed in
youronline classroom.
Grading Rubric:
The following grading rubric will be used to determine your grade:
Attribute Level 2
(15-20 points)
Level 1
(5-15 points)
Level 0
(0 – 5 points)
Triangle pattern Correct or one mistake
in for-loop, and code to
output
Two mistakes in
loop logic and
resulting output
Three or
more
mistakes in
loop logic
and resulting
output
Rectangle pattern Correct or one
mistake in for-loop,
and code to output
pattern
Two mistakes in
loop logic and
resulting output
Three or
more missing
essential
elements for
user input
User input Correct or one incorrect
prompt and captured
input
Two mistakes in
prompts and/or
capture of input
Missing or close to
missinguser input
Test cases A single Word or PDF
file showing the
program’s output with
at least two test cases
using different size
inputs for each pattern
implemented correctly
A single Word or
PDF file showing
the program’s
output with only
one test case for
each pattern
Missing or
significantly
incorrect or
incomplete test
cases
Program
documentation and
style
Correct or one missing
program comment,
identifier, and/or screen
capture
Two incorrect
or incomplete
documentation
and/or style
elements
Three or more missing or
significantly incorrect
documentation and/or style
elements

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