Spring Technology (ii) ----- IOC

Spring Technology (ii) ----- IOC

Spring technology-IOC is also called dependency injection (DI)

(1) setter-based injection

(2) constructor-based injection

(3) Bean references

1. Create a Java Project. The name is springtest2. Create a package. The name is com. gxcme. springtest2.

2. Add the spring framework.

3. Create an Interface. The name is helloInterface. java.

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5. configure it in the applicationContext. xml file.

6. Create a new class. The name is helloMain. java. Then run

7. References between beans
Create an Interface. The name is personInterface. java.

Create a new class. The name is personImpl. java. Inherits the personInterface.

In the applicationContext. xml file.

Create a new class. The name is personMain. java. Then run