GRADE 12 JAVA | Java Teacher | IEB Information Technology South Africa

Gr 11 – Reading in a text file

Grade 11 - Reading in a text file into an array or into parallel arrays (array sets). Without a delimiter and with a delimiter. Grade 12 - Reading in a text file into an array of objects GRADE 11 1) Reading in a simple text file using the Scanner class. We create a...

Gr 12 – Text and Scanner

Being able to read in a text file into an array of objects using the Scanner class is mission-critical in the final grade 12 practical exam paper. Here are some examples for you to practice with. 1) This text file has 5 fields ie Order, Restaurant, Description,...

Gr 12 – Four class with inheritance2

A Full Solution for a program with four classes, with inheritance. Scenario: A array of dog objects. Two types of dogs i.e. regular "dogs" and "working dogs", based on Carol Lewis' inheritance presentation. The UI class with the main method The Manager class with all...

Gr 12 – Four class with inheritance

A Bare Bones** solution for a program with four classes, with inheritance. Scenario: An event for contestants, some with disabilities and some without. Create an array of contestant objects; Contestants is the superclass with ContestantsP being the subclass...

Gr 11 – Array Random Scanner

This series of programs offer an integrated approach i.e. learning arrays, random numbers, reading from a text file, and Object Orientated Programming (OOP) as single progression from the first example program to the last. The first one is a one-class program with...

Gr 12 – Inheritance/OOP

Inheritance is an important element of OOP programming. Using Carol Lewis' Inheritance workshop we will re-create her example of an array of Dogs. This array will be a mixed array because some of the elements will be of the class "Dogs" while others will be of the...

Gr 12 – Bubble Sort 2

SORT ARRAY OF OBJECTS - by name - by date The bubble sort can sort numbers, Strings and arrays of objects. For an animation on how the bubble sort algorithm works click here. You may need to revise how the String method "compareTo" works. To sort an array of objects...

Gr 11,12 – Bubble Sort 1

The bubble sort algorithm offers a simple solution to sorting items in an array; the array can be of a primitive data type e.g. int or it can be an array of objects. The bubble sort works for both numerical values as well as for String and char. SORT NUMBERS On...

Gr 12 – Normalization+

Normalization videos 1NF, 2NF and 3NF. Check out Caleb Curry's normalization videos on YouTube. Database Design 35 - Introduction of Database Normalization. Database Design 36 - 1NF Database Design 37 - 2NF Database Design 38 - 3NF