AWS S3 with Java SDK

This tutorial will explain how to connect AWS S3 programmatically using AWS Java SDK v2. Perform operations like upload file, download file, delete file and delete multiple files. Connect AWS S3 using the access key and secret key or the IAM role. Table of Contents Technology Stack Java 16AWS SDK for Java version 2IDE: Eclipse / Intellij [...]

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RESTful Web Services Unit Testing with Spring Boot

This article explains how Unit Testing of RESTful Web Services is performed using Spring Boot Test framework. It uses MockMvc to provide Spring MVC infrastructure without [...]

RESTful Web Service CRUD Operations with Spring Boot

This article shows an example to create RESTful Web Service to perform CRUD operations using Spring Boot framework. We will be developing a complete Spring Boot Web [...]

Generic DAO in Hibernate

This article shows an example of implementation of Generic DAO in Hibernate for common CRUD operations. Generic DAO is used for not to repeat CRUD operation methods for each [...]

Spring Security 4 with Spring MVC and Hibernate

This article shows an example of how to use Spring Security 4 to secure Spring MVC application. UserDetailsService is implemented using Hibernate. It also explains how to lock [...]