public class Bean1 {

    public Bean1() {

        System.out.println(this.getClass().getSimpleName() + " has been created");

    }

}

Bean1

<bean id="bean1" class="com.imooc.springClass2.inject.Bean1"/>

public class Bean1Factory {

    public static Bean1 createBean1() {

        return new Bean1();

    }

}

<bean id="bean1" class="com.imooc.springClass2.inject.Bean1Factory" factory-method="createBean1"/>

public class Bean2Factory {

    public Bean2 createBean2() {

        return new Bean2();

    }
}

<bean id="bean2Factory" class="com.imooc.springClass2.inject.Bean2Factory"/>

<bean id="bean2FromFactory" factory-bean="bean2Factory" factory-method="createBean2"/>

public class Bean3 {

    private final Bean1 bean1;

    private final String stringValue1;

    private final Integer integerValue1;

    private Bean2 bean2;

    private String stringValue2;

    private Integer integerValue2;

    private List<String> stringList;

    private List<Bean2> bean2List;

    private Map<String, Integer> simpleMap;

    private Map<Bean1, Bean2> ObjectMap;

    private Set<String> stringSet;

    private Set<Bean2> bean2Set;

    private Properties properties;

    private String stringValue3;

    public Bean3(Bean1 bean1, String stringValue1, Integer integerValue1) {

    }

    public Bean3(Bean1 bean1, String stringValue1, Integer integerValue1) {

        this.bean1 = bean1;

        this.stringValue1 = stringValue1;

        this.integerValue1 = integerValue1;

        System.out.println(this.getClass().getSimpleName() + " has been created");

    }

    //get/set ......

}

<bean id="bean3" class="com.imooc.springClass2.inject.Bean3">

    <constructor-arg index="0" name="bean1" type="com.imooc.springClass2.inject.Bean1" ref="bean1"/>

    <constructor-arg index="1" name="stringValue1" type="java.lang.String" value="aaaaa"/>

    <constructor-arg index="2" name="integerValue1" type="java.lang.Integer" value="11111"/>

</bean>

<bean id="bean3FromSimple" class="com.imooc.springClass2.inject.Bean3" c:bean1-ref="bean1" c:stringValue1="aaaaa" c:integerValue1="11111"/>

<bean id="bean3" class="com.imooc.springClass2.inject.Bean3">

    <property name="bean2" ref="bean2"/>

    <property name="stringValue2" value="bbbbb"/>

    <property name="integerValue2" value="22222"/>

</bean>

<bean id="bean3FromSimple" class="com.imooc.springClass2.inject.Bean3" p:bean2-ref="bean2" p:stringValue2="bbbbb" p:integerValue2="22222"/>

<bean id="bean2" class="com.imooc.springClass2.inject.Bean2"/>

<bean id="bean3" class="com.imooc.springClass2.inject.Bean3">

    <property name="stringList">

        <list>

            <value>ccccc</value>

            <value>ddddd</value>

        </list>

    </property>

    <property name="bean2List">

        <list>

            <ref bean="bean2"/>

            <ref bean="bean2"/>

        </list>

    </property>

</bean>

<bean id="bean1" class="com.imooc.springClass2.inject.Bean1"/>

<bean id="bean2" class="com.imooc.springClass2.inject.Bean2"/>

<bean id="bean3" class="com.imooc.springClass2.inject.Bean3">

    <property name="simpleMap">

        <map>

            <entry key="eeeee" value="33333"/>

            <entry key="fffff" value="44444"/>

        </map>

    </property>

    <property name="objectMap">

        <map>

            <entry key-ref="bean1" value-ref="bean2"/>

        </map>

    </property>

</bean>

<bean id="bean2" class="com.imooc.springClass2.inject.Bean2"/>

<bean id="bean3" class="com.imooc.springClass2.inject.Bean3">

    <property name="stringSet">

        <set>

            <value>eeeee</value>

            <value>fffff</value>

        </set>

    </property>

    <property name="bean2Set">

        <set>

            <ref bean="bean2"/>

        </set>

    </property>

</bean>

<bean id="bean3" class="com.imooc.springClass2.inject.Bean3">

    <property name="properties">

        <props>

            <prop key="key1">value1</prop>

            <prop key="key2">value2</prop>

        </props>

    </property>

</bean>

<bean id="bean3" class="com.imooc.springClass2.inject.Bean3">

    <property name="stringValue3">

        <null/>

    </property>

</bean>

<bean id="bean3" class="com.imooc.springClass2.inject.Bean3">

    <property name="bean2">

        <bean class="com.imooc.springClass2.inject.Bean2"/>

    </property>

</bean>