More On Classes Learn programming Java

 Java exercises

 20 Array of objects: table
Create a class named "Table". It must have a constructor, indicating the width and height of the board. It will have a method "ShowData" which will wr...
 11 House
Create a class "House", with an attribute "area", a constructor that sets its value and a method "ShowData" to display "I am a house, my area is 200 m...
 11 Table + coffetable + array
Create a project named "Tables2", based on the "Tables" project. In it, create a class "CoffeeTable" that inherits from "Table". Its method "ShowDa...
 11 Encrypter
Create a class "Encrypter" to encrypt and decrypt text. It will have a "Encrypt" method, which will receive a string and return another string. It ...
 14 Complex numbers
A complex number has two parts: the real part and the imaginary part. In a number such as a+bi (2-3i, for example) the real part would be "a" (2) and ...
 12 Table + coffetable + leg
Extend the example of the tables and the coffee tables, to add a class "Leg" with a method "ShowData", which will write "I am a leg" and then it will ...
 14 Catalog
Create the classes diagram and then, using Visual Studio, a project and the corresponding classes for a catalog utility: It will be able to store i...
 24 Random number
Create a class RandomNumber, with three static methods: - GetFloat will return a number between 0 and 1 using the following algorithm: seed = (s...
 18 Text to HTML
Create a class "TextToHTML", which must be able to convert several texts entered by the user into a HTML sequence, like this one: Hola Soy yo Ya ...
 11 Class ScreenText
Create a class ScreenText, to display a certain text in specified screen coordinates. It must have a constructor which will receive X, Y and the strin...
 18 Enhanced ComplexNumber class
Improve the "ComplexNumber" class, so that it overloads the operators + and - to add and subtract numbers....
 10 3D point
Create a class "Point3D", to represent a point in 3-D space, with coordinates X, Y and Z. It must contain the following methods: MoveTo, which will...
 14 Catalog + Menu
Improve the Catalog program, so that "Main" displays a menu to allow entering new data of any kind, as well as displaying all the data stored....