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First draft of materials for Software Development in Higher Computing Science (Java)

Brendan McCart

Higher Java Project Workspace

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Standard Algorithms

count occurrences

find maximum / minimum

linear search

Other Constructs

substring

Data Structure

parallel arrays

File handling

open

read

write

text files

CSV files

Here are the projects

Here are the projects

group

task

constructs

developer skill

revision

n5 traverse array

working with arrays

using index

traverse array with for loop

n5 runTotal

traverse array

running total for array

average

calendarGraph

traverse array

introducing idea of parallel arrays

introducing substring

Count

parallel arrays

solar system min-max

string and integer parallel arrays,

standard algorithms

euro population

stored values

parallel arrays

count occurrences

find max and find min

substring

assume coder has completed previous projects using the features below

Count

Scottish Councils

council names

text file : open, read, close

store data into parallel arrays,

use standard algorithms

council voters

File handling

open a file

read numbers from a text file

close a file

standard algorithms

What is the largest number of voters?

Count how many councils have more than 100000 voters

council csv data

open csv file,

read and store text and number values into parallel arrays,

close file

Count

fifa 2019

fifa task

file handling

open CSV file, 📂

read and store text and number values into parallel arrays,

close file

standard algorithms

Count occurrences ➕

find max ⬆️

re-use code

follow design

fifa demo

open csv file,

read and store text and number values into parallel arrays,

close file

fifa write to file

open csv file,

write values to a file,

close file

Count

letter frequency

file handling

open CSV file,

read and store text and number values into parallel arrays,

close file

standard algorithms

use count, find max

write selected data to a new file

this task assumes the developer is already familiar with the constructs described below, minimal support

developers should re-use previous code to complete this project

read requirements

Count

modular

modular calendar

modular version of calendar task does not use files (to provide a simpler project) uses two classes

modular solar

modular design

dataflow

parameter passing

function and procedure

file handling

read file

write file

data structure

parallel arrays

standard algorithm

find min

count occurrences

modular fifa

modular design

dataflow

parameter passing

function and procedure

file handling

read file

write file

data structure

parallel arrays

standard algorithm

find max

100 common words

file handling

parallel arrays

standard algorithms

modular design

challenge task

Count

object + record

solar object

compare parallel arrays and array of objects

no file handling (focus on data structure)

create class to define record format

create an object array to implement array of records

display individual records (objects) from array

traverse array to display values from all objects

fifa object

File handling

open a file

read numbers from a text file

close a file

Write to a afile

standard algorithms

Find max

Count

data structure

record (object)

array of records (object array)

the project has part developed code

read the code used so far

implement the remaining requirements

council object

data structure

create a class to implement a record structure

create a top level algorithm including an array of records (object array)

file handling

open file

read a file

store values into an array of records

close file

standard algorithms

find max

letter frequency object

data structure

create a class to implement a record structure

create a top level algorithm including an array of records (object array)

file handling

open file

read a file

store values into an array of records

close file

write values from an array of records to file

standard algorithms

display the letter which appears most frequently

display the number of letters which appear with a frequency of more than 5.00

save the consonants into a new file including the letter and the frequency

Count

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Higher Java Project Workspace

Here are the projects

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