spring-boot Archives | Codesnipeet

IoC Explained with Examples in Spring Boot: Understanding Inversion of Control

Inversion of Control (IoC) is a design pattern that is widely used in Spring Boot applications. The basic idea behind IoC is to invert the control of the flow of…

Jewel Chowdhury May 8, 2023

Spring Boot

Mastering Spring Beans in Spring Boot: Comprehensive Code Examples and Configuration Tips

In Spring Boot, a Bean is an object that is managed by the Spring IoC container. Here's an example of how to define and use a bean in Spring Boot:…

Jewel Chowdhury May 8, 2023

React Js Spring Boot

Spring Boot CRUD Example with Mysql React JS part-8

Hello,Today we will create a spring boot CRUD application. In, this example, we are using the MySQL database to store data, to view and manage the data we will use…

Jewel Chowdhury August 13, 2022

React Js Spring Boot

Spring Boot CRUD Example with Mysql React JS part-7

Hello, Today we will create a spring boot CRUD application. In, this example, we are using the MySQL database to store data, to view and manage the data we will…

Jewel Chowdhury August 12, 2022

React Js Spring Boot

Spring Boot CRUD Example with Mysql React JS part – 5

Hello,Today we will create a spring boot CRUD application. In, this example, we are using the MySQL database to store data, to view and manage the data we will use…

Jewel Chowdhury August 8, 2022

React Js Spring Boot

Spring Boot CRUD Example with Mysql React JS part-4

Hello,Today we will create a spring boot CRUD application. In, this example, we are using the MySQL database to store data, to view and manage the data we will use…

Jewel Chowdhury August 6, 2022

Spring Boot React Js

Spring Boot CRUD Example with Mysql React JS part-3

Hello,Today we will create a spring boot CRUD application. In, this example, we are using the MySQL database to store data, to view and manage the data we will use…

Jewel Chowdhury August 6, 2022

Spring Boot React Js

Spring Boot CRUD Example with Mysql React JS part-2

Hello,Today we will create a spring boot CRUD application. In, this example, we are using the MySQL database to store data, to view and manage the data we will use…

Jewel Chowdhury August 6, 2022

Spring Boot React Js

Spring Boot CRUD Example with Mysql React JS part-1

Hello,Today we will create a spring boot CRUD application. In, this example, we are using the MySQL database to store data, to view and manage the data we will use…

Jewel Chowdhury August 6, 2022

Java Java Advanced

How can I solve “java.lang.NoClassDefFoundError”

Hello guys, today we will show a common error while working on java based projects. This error is “java.lang.NoClassDefFoundError“. We will see how to solve this. Exception in thread "main"…

Jewel Chowdhury May 29, 2022

Spring Boot Java

How to configure h2 database in spring boot

Hello, Today we will discuss how to configure the h2 database in the spring boot application properly. Follow the below configuration of the H2 Database: add the properties in your…

Jewel Chowdhury March 21, 2022

Java Java Advanced

How to Build a Web Scraper in Java

Hello, Today we are going to build a web scraper. Although All of you know the term, I just want to tell you shortly what exactly web scraper is? Web…

Jewel Chowdhury February 24, 2022

How do I populate a drop down with a list using thymeleaf and spring

Bugs Java

[solved] caused by: org.hibernate.PersistentObjectException: detached entity passed to persist:

The error looks like org.hibernate.PersistentObjectException: detached entity passed to persist: example.forms.InvoiceItem at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:127) at org.hibernate.impl.SessionImpl.firePersist(SessionImpl.java:799) at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:791) …

Jewel Chowdhury November 7, 2021

Bugs

[solved] h2 database console not working after using spring security

It's a common problem when you are working on spring boot security with an in-memory database like the h2 database. Spring security protected every routes/apis by default that's why we…

Jewel Chowdhury October 4, 2021

Java

How to create Spring Boot Application 2021

Hi Devs, Today I am going to show you how to create a simple spring boot project from scratch. Go to spring initializer to generate a spring boot project. Spring…

Jewel Chowdhury September 5, 2021