Lambda functions in Java, introduced in Java 8, are a way to define anonymous methods that can be passed around as arguments to other methods or stored in variables. This feature promotes functional programming, making the code more concise and readable. A lambda function in Java has the following syntax: (parameters) -> expression Or, if […]
How to Convert an Excel Sheet to JSON and Save it to a File Using Node.js
In this blog post, I guide you through the process of converting an Excel sheet to a JSON file using Node.js. This is particularly useful for tasks such as data migration, data processing, or simply making data more accessible. You’ll learn how to set up your Node.js project, install the necessary packages, and write a script to read an Excel file, convert its contents to JSON, and save the JSON data to a file. By the end of this tutorial, you’ll have a functional script that can be easily adapted to handle different Excel files and sheets as needed.
Exploring the Latest Features in Spring Framework: Spring 5 and Beyond
Exploring the Latest Features in Spring Framework: Spring 5 and Beyond The Spring Framework, a robust and widely adopted Java framework, continues to evolve with each new version, bringing in enhancements, features, and improved capabilities. As of my last knowledge update in September 2021, let’s delve into the features introduced in the latest versions, with […]
OOP Example With Java
Object-Oriented Programming (OOP) in Java: A Comprehensive Guide with Examples Object-Oriented Programming (OOP) is a programming paradigm that revolves around the concept of “objects.” Java, a widely-used programming language, is a great platform for learning and implementing OOP principles. In this article, we’ll dive into the fundamentals of OOP in Java, explaining key concepts with […]
Serialization and Deserialization in java with Example
Serialization and deserialization are two important concepts in Java that allow objects to be converted into a stream of bytes and then retrieved back into objects again. In this article, we will discuss what serialization and deserialization are, why they are important, and how to implement them in Java. What is Serialization? Serialization is the […]
Java Spring
Spring is a popular framework used for developing enterprise-level applications in Java. It is known for its modular architecture, which allows developers to use only the required components and reduce the complexity of the application. In this article, we will discuss the architecture of Spring and how it works. Overview of Spring Architecture The architecture […]
How to iterate any Map in Java
There are three main ways that you can iterate through a java map Use entrySet() function public void iterateByEntrySet(Map map) { for (Map.Entry entry : map.entrySet()) { System.out.println(entry.getKey() + “:” + entry.getValue()); } } 2. Use ketSet() function public void iterateByKeySetAndForeach(Map map) { for (String key : map.keySet()) { System.out.println(key + “:” + map.get(key)); } […]
What is NestJs
NestJS is a server-side framework for building scalable, efficient, and maintainable Node.js applications. It is built on top of Express.js and provides a modular and intuitive structure for developing complex web applications. Some key features of NestJS include: Dependency Injection: NestJS provides a powerful dependency injection system, which makes it easy to manage dependencies and […]
Sharepoint API – Nodejs
SharePoint API is a set of RESTful web services in Microsoft SharePoint that provides programmatic access to content, metadata, and functionality stored in a SharePoint site. The API enables developers to interact with SharePoint sites and data in a variety of ways, such as reading, creating, and updating data, managing permissions and access to content, […]
Java Enum to List
EnumType.values() Method public class YourEnumClass { public enum YourEnums{ CREATE, EVERY_UPDATE, FIRST_UPDATE, DELETE } } List yourEnumList=Arrays.asList(YourEnumClass.YourEnums.values()); EnumSet.allOf() Method public class YourEnumClass { public enum YourEnums{ CREATE, EVERY_UPDATE, FIRST_UPDATE, DELETE } } List yourEnumList=EnumSet.allOf(YourEnumClass.YourEnums.class);