How to create a variable template in Kotlin
In order to create a variable template, all you need to do is to put a dollar sign in front of the name of that variable as shown in the following examples:- Which will output the below outcome.
Java game example creating enum class together with each constant
Below is the Java program which will create an enum class together with each constant and then assigns each constant entity with a strength value which will get retrieved later. After the assignment of the strength to each constant entity, the program prints those constant names together with their relative strength! Actually, you can set…
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Javascript example to chain Promise objects
When a javascript Promise object has been fulfilled the function within the then method of that Promise object will get invoked. The below example uses a promise object chain to make the array of elements multiply by themselves and only return those elements that are greater or equal to 16. As you might have guessed…
How to create three buttons on JFrame object
In this Java example let us create three buttons on a Swing object. Besides JavaFx, Swing is still widely used by Java developer nowadays to develop Java programs thus it is still views as a very important module that is used to create a user interface for the Java program. Below is the entire program…
How does the function prototype works in C program?
In the C program if a function is called before it has been declared then the program will generate an error because all the functions within a C program will need to get declared first before they can be called. A C programmer can either create that entire function at the top of the caller…
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Javascript example to create a Promise object
The below Javascript example will create a Promise object which will pass the revised data of an array in another array object to the function in the then method of that promise if the promise has been resolved or else will pass the error message to the function in the catch method of that promise…
Javascript example to use the map method
The below Javascript map method example will print out each number in an array after each number within that array has been multiplied by itself. The numbers in the data array remain unchanged because the map method will only generate another array and assigned it to the data_revise variable. The outcome is as follows:- Which…
Drawing lines with the pygame.gfxdraw module
Apart from the draw module, pygame has another drawing module which is the gfxdraw module and this time we will use this module to draw lines on the screen. Here is a program that will draw three lines using the three different line-drawing functions of gfxdraw! We use pygame.gfxdraw.line, pygame.gfxdraw.hline and pygame.gfxdraw.vline to paint three…
Class inheritance in TypeScript
In this TypeScript class inheritance example, I am going to create a subclass that inherits from the main base class as follows:- 1) Create the interface which will be implemented by the Computer class. Create the Computer main class which implements the above interface. At last, create the subclass which inherits the base class. Next,…
Create a password verifier with the get and set property accessors in TypeScript
Below is an example of creating a TypeScript’s password verifier with the help of the get and the set property accessors of TypeScript. This program will allow the user to set the password and then get the password again to verify it before printing the outcome accordingly. The property accessors look like a property of…
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