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
4 programs that shows how Java global variables work
A Java global variable is a variable that is declared outside a method or at the start of a code is a global variable, there are no access restrictions on a …
How to make HTTP GET Request in Node.js [Practical Examples]
In NodeJS, several methods that provide the functionalityto make HTTP GET request from the http module provided in the standard library. While the HTTP module …
How to run NodeJS REPL Inside a Function [Practical Examples]
The NodeJS REPL(Read-Eval-Print-Loop) server provides a programming environment like a Linux shell where a user can evaluate JavaScript expressions and gain …
Python Tree Data Structure Explained [Practical Examples]
In this tutorial, we covered creation, insertion and traversal on python tree data structure with the sample code example. As per the requirement of an …
How to find a height of a tree data structure in Java
The Tree is a non linear data structure consisting of nodes and edges. Depending upon the type of tree, it can have 0 or more child nodes. There are two ways to …
HashMap vs Hashtable vs HashSet in Java [Practical Examples]
HashMap is hash table based implementation of Map interface, Hashtable class implements a hash table, which maps keys to values. HashSet is a hash table based …
ArrayList vs LinkedList in Java [Practical Examples]
The ArrayList class implements a List Interface. So, this acts as a list. While the LinkedList class implements both List and Deque Interface. So, this acts as …
Node.Js forEach() statement Explained [Practical Examples]
In this article, you learned how you can use the Node.Js forEach() to iterate over an iterable in JavaScript. When iterating over array elements, you should opt …
LinkedList in Java Explained [Complete Tutorial]
In Java, the LinkedList class is a member of Java Collections Framework present in java.util package. This class implements List interface along with other …
Golang Garbage Collection Explained: GC, Tuning, Pause Time & Examples
Learn Golang garbage collection with practical examples, GC tuning using GOGC, force GC using runtime.GC, pause time behavior, stop-the-world phases, and …
3 ways to convert CHAR to INT in Java [Practical Examples]
There are 3 methods to convert char to int in java i.e ASCII values, getNumericalValue, ParseInt using ValueOf method.
List vs LinkedList in Java Explained [Practical Examples]
In Java, List is an interface in java.util package whereas LinkedList is a class in the java.util package. Both of this data structure is used to store the …
3 different ways to detect a loop in a Linked List
There are three ways to detect a loop in a linked list cycle. They are as listed below. Traversing through the list, Using HashSet, Using Floyd's Cycle …
Python append() vs extend() in list [Practical Examples]
In this tutorial we will cover multiple examples to understand the difference between list.append() vs list.extend() method. We will [erform a 1 to 1 comparison …
Python list extend() method [Practical Examples]
In Python, the list is an ordered and mutable container. The extend() method is used to add the items from other iterable to the existing list. In other words, …