GRADE 11 JAVA | Java Teacher | IEB Information Technology South Africa

Gr 11,12 – Defensive Programming

Grade 11, Grade 11 - String and Character Handling, Grade 12, Grade 12 - PAT

Garbage in = garbage out. If your user inputs unexpected values from the keyboard your program can crash or give the incorrect result. Defensive programming is the way that we avoid this. Defensive programming is also super useful for login methods. NOTE: Use...

Gr 11,12 – Gateways and more

Grade 11, Grade 11 - Theory, Grade 12, Grade12 - Theory

Gateways, Routers, Firewalls, Proxy Server, Bridges . . . A gateway is a hardware device that acts as a "gate" between two networks. It may be a router, firewall, server, or other device that enables traffic to flow in and out of the network. While a gateway protects...

Gr 11 – Networking 2. OSI

Grade 11, Grade 11 - Networking, Grade 11 - Theory, PWC grade 11 - All

Network communications involves sending messages from one device to another. Networking software follows a strict set of rules, governerned by different protocols, when carrying out each task. Since there are many protocols and technologies that have been developed it...

Gr 11 – Networking 1 – Mobile and Protocols

Grade 11 - Networking, Grade 11 - Theory

There are many technologies and protocols that have to work together to give us the Internet, both on computers and on mobile devices. In this presentation Carol Lewis, a senior IT teacher explains the world of mobile and the world of protocols. Topics covered fhere...

Gr 12 – NetBeans to Ms Word without loosing formating

Grade 11 - NetBeans, Grade 12, Grade 12 - PAT

Ms Word can really mess up the formating of your Java code. Here is a solution compliments of Ms Elna van Aarde. Click here.

Gr 10, 11, 12 – SQL without Ms Access

Grade 10 - SQL, Grade 11 - SQL, Grade 12 - SQL

If you do not have Ms Access you can still run SQL queries using SQLBrowser. Click to download SQLBrowser for Windows. (note: it only works with Ms Access databases with the old "mdb" extension. It does not work with "accdb") NOTE: In Access you can open the newer...

Gr 11 – Pseudo Java Arrays Random

Grade 11, Grade 11 - Pseudocode

Here is a program that divides players into 2 teams based on their birth-month and their gender (odd months versus even months) (3 boys and 3 girls in each team) The program is first written in pseudocode before being written in Java. The program also uses a random...