by Editorial | Aug 24, 2021 | Grade 12, Grade 12 - Inheritance, Grade 12 - Prelim Papers
Create a four-class program – a single array of contestant objects with inheritance – some contestants have donated and some have not. UI class , manager class, contestant class and donor class which is a sub class of contestants Contestants – Fields...
by Editorial | Aug 16, 2021 | Grade 11 - Date time, Grade 12
There are times when you need to present a stored value in a different format . . . Real number example – 8.987578. Here you may prefer to say 8.99 Date example – “2018-1-1”. Here you may prefer to say “1 January 2018” Java has a...
by Editorial | Aug 15, 2021 | Grade 12, Grade 12 - text files
Reading records from a text file.Three class program creating an array of people objects – uses LocalDate class. Fields are as follows – First Name, Last Name, Date of Birth. NOTE: The date in the text file is in default date format for LocalDate i.e....
by Editorial | Aug 15, 2021 | Grade 10, Grade 11, Grade 12
There are times when we wish our Java code would run a lot slower e.g. when we want to count down from 10 to 0 with 1-second intervals. Here we can use “Thread.sleep(milliseconds)” see line 22 below. Note that the sleep period is not precise as your...
by Editorial | Aug 13, 2021 | Grade 12, Grade 12 - Past Papers
Here are the 2020 IEB IT exam papers with marking guidelines ((copyright IEB) Click here for theory. Here for the appendix for the theory paper Click here for practical Section A: SQL files – Database HopeDB MsAccess.mdb JavaDB MySQL Section B: Java clients...
by Editorial | Aug 5, 2021 | Grade 11, Grade 12
JSON is a file format or text-based data structure that we can use with, or in place, of text files. JSON is intended to replace file format XML which you may have come across before. Here is a video explaining JSON Click here IT teacher Sandra De Lange shared this...
