Spring框架的Hello World
 相关demo
 项目工程结构

 main
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class Main {
    public static void main(String[] args) {
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");
        HelloWorld helloWorld = (HelloWorld) applicationContext.getBean("helloWorld");
        helloWorld.hello();
    }
}
 Hello.java
public class HelloWorld {
    private String name;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public void hello() {
        System.out.println(name);
    }
}