Programming Tutorials and Coding Guides
Explore programming tutorials with practical examples across multiple languages, scripting, and development concepts for beginners and advanced users.
Welcome to the Programming tutorials section, where you will learn coding concepts with real-world examples across multiple languages and platforms.
This category includes beginner to advanced guides covering scripting, automation, and application development. Whether you are learning programming for system administration or building applications, these tutorials will help you gain practical experience.
Programming plays a crucial role in modern infrastructure and DevOps workflows. You can also explore related topics such as DevOps and Linux to understand how programming integrates with system-level operations.
What you will learn
- Core programming concepts and logic building
- Writing scripts for automation and system tasks
- Debugging and optimizing code
- Practical use cases in real environments
Who should read this
- Beginners starting with coding
- System administrators learning scripting
- Developers looking for practical examples
960 articles
Golang JWT Authentication (Gin + REST API + Middleware Examples)
Learn how to implement JWT authentication in Golang using Gin and PostgreSQL. This step-by-step guide covers user signup, login, JWT token generation, …
How to set up Java with BlueJ IDE [Step-by-Step]
In this tutorial we will cover step by step instructions to set up Java with BlueJ IDE. We will also learn to write our very first Java Program using BlueJ IDE. …
How to set up Java with Visual Studio Code [Step-by-Step]
Step by Step instructions to set up Java with Visual Studio Code. Create and compile your first Java Program using VSC.
How to set up Java with Eclipse IDE [Step-by-Step]
Step by step instructions to set up Java with Eclipse IDE. create your first Java program using Eclipse and execute the same.
8 different ways to use assert in Node.js [Practical Examples]
The purpose of the assert module in Node.js is to provide various ways of asserting functions. For instance, if the assertion. It is used to test the …
Java Predicate Explained [Practical Examples]
Java predicate function is a pre-defined user interface. Predicate is a function that returns a boolean value. And the function test(T t) evaluates the …
8 ways to convert long to String in Java [Practical Examples]
The list below shows eight different ways in which we can convert long to string in Java. Using + operator, String.valueOf(), Long.toString(), DecimalFormat …
6 ways to implement Hashing in Java [Practical Examples]
In this tutorial we cover following 6 different methods to implement hashing in java. Using Hashtable Class, HashMap Class, LinkedHashMap Class, …
7 Robust Methods to Convert Long to Integer in Java
Explore the insightful guide on how to convert long to integer in Java. Discover various methods, each detailed with thoughtful techniques and considerations, …
Currying Function in Java Explained [Practical Examples]
In Java, currying function is the mechanism of breaking down a multi-argument function to form the multiple functions with single arguments such that the output …
How to get sublist from a list in Java [Practical Examples]
In order to get sublist either in an ArrayList or LinkedList, we have to use the sublist() method which is a method of AbstractList class.
How to split String into Array [Practical Examples]
In this tutorial we will cover multiple examples to understand how to split string into array for different scenarios
4 ways to convert char to int in Java [Practical Examples]
In this tutorial, we covered four different approaches to convert char to int in Java, Using ASCII Values, Integer.parseInt() method, …
Java ListIterator Explained [Practical Examples]
In this article, we will discuss how we can traverse forward through a list and traverse backward through a list using java ListIterator. This iterator is one …
4 different ways to read JSON file in NodeJS
In this tutorial we will cover following methods to read JSOn file in NodeJS; Using fs module, require function and third party NPM libraries such as jsonfile …