Software, Pc Game and Programming Languages
In this article, I am going to create a class with a constructor which will accept three parameters and then print them on the screen. First of all, I need to create an interface that will get extended by the class later on! The user and the year parameters of the interface are optional and…
Below is an example of implementing the interface in TypeScript. Let’s say you have an IComputer interface as follows:- The above interface has three variables, two are optional variables that a class does not need to implement if it does not want to. The undefined type is used in that class to avoid errors if…
I would like to introduce to you all my latest project plan which is to build a finance calculator to calculate various financier-related issues which include my previous solution to find the present and the future sum of money in it. In this article, I will start building the application with the first mission, which…
The below PowerShell command will display the size of each text files within a folder. As you can see I am using the ‘foreach’ statement of PowerShell to loop through each text file within a folder in your computer and prints out their name and file size accordingly. There is only one file in the…
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The in-operator is used to check whether a property within an object with a particular interface type exists or not. As you can see the “brand” property does exist within the above object with the type ILaptop and thus the brand of that object will be printed on the terminal screen!
You can actually declare optional properties within the typescript interface that do not need to be declared by the object with that interface type as follows:- Now the object with that type of interface does not need to declare the properties of the interface with ‘?’ symbol in front of them if that object does…
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The following lines of code will create an interface in TypeScript:- As you can see, the interface will declare the type of each element within it! The following lines of code will create an object based on the above interface. Once the interface has been declared you can use it just like the primitive types…
If you want to find the number of text files within a computer’s folder then you can use the following PowerShell command:- The above PowerShell command uses the switch statement to loop through all the files within the txt folder which is under the E drive and each time one will be added to the…
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If you want only a certain value of the parameter that can be used inside your TypeScript function then you can use the literal type to do so as shown in the following lines of code. The TypeScript program above will generate the following error during compilation because 6 is not the permitted parameter inside…
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In the below Java program, I am creating my own Java generic type of class which will be used again in the main method. The above Java program will insert a few words into a private ArrayList and then display them again on the command prompt.
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