//File: autowiring.xml
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">

<beans>
<bean id="foo" class="Foo"/>
<bean id="bar" class="Bar"/>

<bean id="targetByName" autowire="byName" class="Target"/>
<bean id="targetByType" autowire="byType" class="Target"/>
<bean id="targetConstructor" autowire="constructor" class="Target"/>
<bean id="targetAutodetect" autowire="autodetect" class="Target"/>
</beans>

///////////////////////////////////////////////////////////////////////////////////
public class Bar {

}


///////////////////////////////////////////////////////////////////////////////////

public class Foo {

}


///////////////////////////////////////////////////////////////////////////////////
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.FileSystemResource;

public class Target {

private Foo foo;
private Foo foo2;

private Bar bar;

public Target() {

}

public Target(Foo foo) {
System.out.println("Target(Foo) called");
}

public Target(Foo foo, Bar bar) {
System.out.println("Target(Foo, Bar) called");
}

public void setFoo(Foo foo) {
this.foo = foo;
System.out.println("Property foo set");
}

public void setFoo2(Foo foo) {
this.foo2 = foo;
System.out.println("Property foo2 set");
}

public void setMyBarProperty(Bar bar) {
this.bar = bar;
System.out.println("Property myBarProperty set");
}

public static void main(String[] args) {
BeanFactory factory = new XmlBeanFactory(new FileSystemResource(
"build/autowiring.xml"));

Target t = null;

System.out.println("Using byName:\n");
t = (Target) factory.getBean("targetByName");

System.out.println("\nUsing byType:\n");
t = (Target) factory.getBean("targetByType");

System.out.println("\nUsing constructor:\n");
t = (Target) factory.getBean("targetConstructor");

System.out.println("\nUsing autodetect:\n");
t = (Target) factory.getBean("targetAutodetect");

}
}