GRADE 12
JAVA MATERIAL FOR GRADE 12 STUDENTS
Gr 11,12 – Windows More
It is difficult to understand IT Theory if you don't understand your own Windows computer. What type of processor do you have? Does it hyperthread? How much physical RAM and how much virtual RAM do you have? Are your USB ports 2.0 or 3.0? Does your computer boot using...
Gr 12 – Deep Dark Web
Everything you need to know about the deep web, the dark web, SEO, Tor, blockchain, Tor and cryptocurrency. Click here
Gr 11 – Search array
Searching an array in Java Searching for a value in an unsorted array is a standard algorithm that loops from the first element and moves to the last element. These are all two-class programs using an OOP approach where arrays are passed as parameters. Here the...
Gr 12 – IT PAT IEB Everything
Grade 12 IT PAT IEB - Everything - Overview Your IEB IT PAT for grade 12 is made up of four phases. Phase One and Two are the data modelling phases. Phase Three is the coding and Phase Four the testing. Phase One – The project specifications. What your application...
Gr 11 – Array as parameter
A typed method can only return one value. (Yes, a method MAY have several return statements but only one of them will execute depending on the condition.) Sometimes we need to return more than one value. To get around the limitation above we can return one array, that...
Gr 12 – All about SSD
New to the grade 12 2021 IT Theory syllabus is more up-to-date information about SSD ie SATA SSD and PCIe SSD. Also covers the form factor M.2 and NVMe, both SATA and PCIe. Here is an awesome YouTube video on the topic. All about SSD
Gr 12 – Critical Algorithms
You need to be able to code these algorithms quickly. Links have some solutions. 1) Read from a text file (CSV) into a one dimensional array - text file only has one value per line. 2) Read from a text file (CSV) into an array of objects - text file is more like a...
Gr 11 – NetBeans Shortcuts
NetBeans can be very helpful - sometimes toooo helpful which is why we start coding in jGRASP. Here are some shortcuts to begin with . . . psvm <tab> - public static void main(String[]args) sout <tab> - System.out.println(" ") for <tab> - the simple...
Gr 12 – Java Cheat Sheet 2
After marking 100s of Java practical exams I prepared this handout. Things you must do, and things you must not do when coding in Java. Click here
Gr 12 – Bubble Sort code
You have watched the video and you now understand how the bubblesort algorithm works. You understand why sorting integers is straightforward and why we need to use "compareTo" when sorting String. Now you just want the code . . . Click here for bubble sort code -...
IEB Information Technology Tutor (Matric) South Africa