Factory(Factory Method)

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/**
*
*/
package com.sean.factory.method;

import com.sean.factory.Sex;

/**
* @author Sean_Zhang
*
*/
public interface IPerson {
public String getName();

public Sex getSex();
}

/**
*
*/
package com.sean.factory.method;

import com.sean.factory.Names;
import com.sean.factory.Sex;

/**
* @author Sean_Zhang
*
*/
public abstract class Person implements IPerson {

public String getName() {
  String name = null;
  if(this.getSex() == Sex.MALE) {
   name = Names.MAN.getName();
  } else if(this.getSex() == Sex.FEMALE) {
   name = Names.WOMAN.getName();
  }
  return name;
}
}

/**
*
*/
package com.sean.factory.method;

import com.sean.factory.Sex;

/**
* @author Sean_Zhang
*
*/
public class Man extends Person {

/* (non-Javadoc)
* @see com.sean.factory.method.IPerson#getSex()
*/
public Sex getSex() {
return Sex.MALE;
}

}

/**
*
*/
package com.sean.factory.method;

import com.sean.factory.Sex;

/**
* @author Sean_Zhang
*
*/
public class Woman extends Person {

/* (non-Javadoc)
* @see com.sean.factory.method.IPerson#getSex()
*/
public Sex getSex() {
return Sex.FEMALE;
}

}

package com.sean.factory.method;

import com.sean.factory.Sex;
import com.sean.factory.simple.IPerson;
import com.sean.factory.simple.Man;
import com.sean.factory.simple.Woman;

public class PersonMethodFactory {
public static IPerson getPerson(Sex sex) {
  IPerson person = null;
  if(sex == Sex.MALE) {
   person = new Man();
  } else if(sex == Sex.FEMALE) {
   person = new Woman();
  }
  return person;
}
}

JDK Examples:

java.lang.Proxy#newProxyInstance()
java.lang.Object#toString()
java.lang.Class#newInstance()
java.lang.reflect.Array#newInstance()
java.lang.reflect.Constructor#newInstance()
java.lang.Boolean#valueOf(String)
java.lang.Class#forName()