Besides declare spring bean dependencies in the bean configuration file, the spring framework provides the autowire function to make bean dependency declaration easily. There are below autowire modes, they are no-autowire, autowire by bean name, autowire by bean class type, autowire by constructor. This article will show you examples of autowire beans by name.
Autowire Spring Bean By Name Examples Read More »
Besides factory bean, you can also use a factory method to create spring bean, but the factory method must be public static and return the desired spring bean class type. This article will show you examples of how to do that.
Public Static Factory Method To Create Spring Beans Read More »
When your Spring application startup, you may sometimes encounter such exceptions. org.springframework.beans.factory.BeanDefinitionStoreException. And the error message maybe like below. Failed to read candidate component class: file nested exception is org.springframework.core.NestedIOException: ASM ClassReader failed to parse class file – probably due to a new Java class file version that isn’t supported yet: nested exception is java.lang.IllegalArgumentException
Spring Application Start Throw BeanDefinitionStoreException Read More »
In Spring Framework, there are two methods that you can use to achieve spring bean Dependency Injection ( DI ). Use the spring bean setter method. Use the spring bean’s constructor.
Spring Bean Dependency Injection Methods Comparison – Setter Vs Constructor Read More »
If you want to set your Spring bean’s property value in a bean configuration file, you can use the below methods. Use property tag under bean tag. <bean id=”beanPropsInjection” name=”beanPropsInjection” class=”com.dev2qa.example.spring.BeanPropertiesInjection”> <property name=”loginUserName” value=”dev2qa.com”></property> <property name=”loginPassword” value=”dev2qa.com”></property> </bean> Use bean tag attribute prefixed with the p schema. But before do the below configuration, you should
How To Inject Value To Spring Bean Properties Read More »
After you configure <context:component-scan base-package=”com.dev2qa.examples”> in Spring bean configuration xml file, Spring container can automatically scan the java files under base-pack and it’s sub packages. If it has scanned the classes with annotations like @Component, @Service, @Repository or @Controller, the container will register these classes as managed bean.
Spring Component Scan Instruction Read More »
In Spring, bean scope is defined by it’s type, different types of Spring bean instances can be used in different scenarios. There are totally 5 scope types by default.
Spring Bean Scopes Introduction Read More »
Spring IDE is a useful graphical development tool. It can make Spring application development easy. This article will show you how to install it as an Eclipse plugin.
How To Install Spring IDE Eclipse Plugin Read More »
Spring framework is a lightweight solution and a potential one-stop platform for building enterprise applications. Spring is modular, which allows you to use only those modules that you need without introducing unnecessary modules.
Spring Framework Overview Read More »
This article will show you how to use maven to download, configure the Spring framework in your java project. And how to write Hello World example use Spring.
Spring Hello World Example Use Maven And Eclipse Read More »
