Java- Print all duplicate elements from a List

In Java, we have multiple ways to find duplicate elements in a List. We can loop through the List and […]

Continue reading...

Spring Boot Cookies Example

In this article, we’ll explore how to use cookies in the Spring Boot application. A cookie is a small piece […] Continue reading »

MongoDB- ADD, MODIFY/RENAME, or DELETE Key

In MongoDB database, db.collection.update({criteria},{$operator: {new value}}) or db.collection.updateMany({criteria},{$operator: {new value}}) method is used to ADD, DELETE, or MODIFY/RENAME the existing […] Continue reading »

MongoDB- INSERT, SELECT, UPDATE, and DELETE Query

This page will help you to perform the basic query/operation with the MongoDB database like SELECT, INSERT, UPDATE, and DELETE. […] Continue reading »

How to set Username, Password, and Roles to MongoDB Database

In this guide, we’ll show you how to set username, password, and roles to the MongoDB database. MongoDB database instance […] Continue reading »

Generate QR Code using Spring Boot REST API

This tutorial will help you to expose REST API to generate the QR Code using the Spring Boot framework. QRGen library […] Continue reading »

How to generate QR Code in Java

QRGen library provides an API to generate the QR Code in a Java application. It is built on the top […] Continue reading »

Spring Boot + MongoDB CRUD Example

In this article, we’ll build a Spring Boot REST API which performs the create, read, update, and delete (CRUD) operation […] Continue reading »

Spring Data MongoRepository Interface Methods Example

In this article, we’ll explore the methods available in the MongoRepository interface provided by Spring Data in the package org.springframework.data.mongodb.repository. […] Continue reading »

How to connect Spring Boot application with MongoDB

This guide will help you to establish a database connection bridge between the Spring Boot application and MongoDB database. You […] Continue reading »

Getting Started with Spring Boot and MongoDB

In this article, we’ll learn how to connect the Spring Boot application with the MongoDB database and access data from […] Continue reading »

IntelliJ IDEA – Spring Boot Dev Tools is not working

You might be facing the issue with IntelliJ IDEA that Spring Boot Dev Tools dependency is not reloading/deploy the latest […] Continue reading »

1 14 15 16 17 18 45