Category

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

957 articles

Java Predicate Explained

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 …

By Azka Iftikhar · 7 min read · programming

8 ways to convert long to String in Java

The list below shows eight different ways in which we can convert long to string in Java. Using + operator, String.valueOf(), Long.toString(), DecimalFormat …

By Deepak Prasad · 7 min read · programming

6 ways to implement Hashing in Java

In this tutorial we cover following 6 different methods to implement hashing in java. Using Hashtable Class, HashMap Class, LinkedHashMap Class, …

By Deepak Prasad · 8 min read · programming

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, …

By Deepak Prasad · 7 min read · programming

Currying Function in Java Explained

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 …

By Deepak Prasad · 6 min read · programming

How to get sublist from a list in Java

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.

By Deepak Prasad · 7 min read · programming

How to split String into Array

In this tutorial we will cover multiple examples to understand how to split string into array for different scenarios

By Deepak Prasad · 6 min read · programming

4 ways to convert char to int in Java

In this tutorial, we covered four different approaches to convert char to int in Java, Using ASCII Values, Integer.parseInt() method, …

By Deepak Prasad · 7 min read · programming

Java ListIterator Explained

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 …

By Azka Iftikhar · 7 min read · programming

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 …

By Deepak Prasad · 6 min read · programming

How to return an Array in Java [Practical Examples]

There are three different ways to return an array from a function in Java as listed below: Return an array of primitive type, Return an array of objects, Return …

By Deepak Prasad · 7 min read · programming

How to convert Set to list in Java [Practical Examples]

There are several ways to convert the set to list in java as listed below. Using looping, ArrayList Constructor, LinkedList Constructor, List.addAll() Method, …

By Deepak Prasad · 7 min read · programming