Category: Category: Spring

Problem Many real-world components have to perform certain types of initialization tasks before they are ready to be used. […]

When you declare a bean in the configuration file, you are actually defining a template for bean creation, not […]

As an example, let’s create a ProductRanking class with a bestSeller property whose type is Product. package com.shop; public […]

First, let’s define two product constants in the Product class. package com.shop; public abstract class Product { public static […]

The basic requirement of a factory bean is to implement the FactoryBean interface. For your convenience, Spring provides an […]

You can write the following ProductCreator class by using a configurable map to store the predefined products. The createProduct() […]

You can write the following createProduct() static factory method to create a product from a predefined product ID. According […]

Suppose you are going to develop a shop application to sell products online. First of all, you create the […]

Suppose you are asked to develop your sequence generator application using database sequences, and store the prefix and suffix […]

By default, Spring treats every element in a collection as a string. You have to specify the data type […]