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 […]

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Java- Find the element in the List having maximum value

In Java 8, Stream API’s max method returns the maximum element of this stream according to the provided Comparator and […] Continue reading »

Java- Find all Capital Letters in the String

In this short tutorial, we’ll find all the capital letters in the given String using Java. Character.isUpperCase(char ch) returns true […] Continue reading »

IntelliJ IDEA – Find file containing text shortcut

In IntelliJ IDEA, Ctrl + Shift + F is the shortcut key to find the file containing any text like […] 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 »

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