组件映射

package com.javatpoint;

public class Address {
private String city,country;
private int pincode;

//getters and setters
}

package com.javatpoint;
public class Employee {
private int id;
private String name;
private Address address;//HAS-A

//getters and setters
}

...
<class name="com.javatpoint.Employee" table="emp177">
<id name="id">
<generator class="increment"></generator>
</id>
<property name="name"></property>

<component name="address" class="com.javatpoint.Address">
<property name="city"></property>
<property name="country"></property>
<property name="pincode"></property>
</component>

</class>
...