Skip to content
csHjavaA-2019
about this document
revision
traverse and process
standard algorithms
Parallel Arrays
read text files
write text files
CSV files
Letter frequency
development workflow
indices
More
Share
Explore

icon picker
traverse and process

adding some processing to the traverse of an array
pre-standard algorithm
omit need for updating variable for result
nested IF within loop
pre-search: display matched items
use comparators to identify large, small values
use updating variable with n5: running total

Data lists


Text

names

produce initials, initial + surname, surname first, full name, username, email address
Phone numbers
convert format: international, remove -, use ()

post codes

extract outer code and inner code, use length

NATO alphabet

display character and word
convert car reg plate to NATO alphabet

convert letters to characters, casting

elements - single letter names

display symbol and element name

⁠

Integer


Primes (<100)
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
choose a prime at random

costs

(pence, convert to £ and pence using modulo)
⁠

triathlon

calculate total seconds, display as hours, minutes, seconds
swim (seconds)
bike (seconds)
run (seconds)
⁠

Real values

Note frequencies (Hz)

for a given note, its frequency is half that of the note 1 octave higher

square roots (0-39)

exploring rounding, int and double type, casting

⁠

Boolean


⁠

Character

' ', '!', '"', '#', '$', '%', '&', ''', '(', ')', '*', '+', ',', '-', '.', '/', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', '@'

'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'

'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'
casting, int, char and String
⁠

Data lists
Text
names
post codes
NATO alphabet
elements - single letter names
Integer
costs
triathlon
Real values
Note frequencies (Hz)
square roots (0-39)
Boolean
Character
Want to print your doc?
This is not the way.
Try clicking the ⋯ next to your doc name or using a keyboard shortcut (
CtrlP
) instead.