1.抽象工厂方法模式:为了创建一组或相互依赖的对象提供一个接口,而不需要指定它们是具体类……无语
2.找个代码看看:
抽象工厂类<成员为接口>
/**
* 抽象工厂
*
*/
public abstract class Factory { public abstract A CreateA();
public abstract B CreateB(); }
接口A
public interface A {
void aa();
}
接口B
public interface B {
void bb();
}
A的实例
public class One_A implements A {
@Override
public void aa() {
System.out.println("***:One_A");
}
}
public class Two_A implements A {
@Override
public void aa() {
System.out.println("***:Two_A");
}
}
B的实例
public class One_B implements B {
@Override
public void bb() {
System.out.println("***:One_B");
}
}
public class Two_B implements B {
@Override
public void bb() {
System.out.println("***:Two_B");
}
}
Factory实例
public class A_Factory extends Factory {
@Override
public A CreateA() {
return new One_A();
} @Override
public B CreateB() {
return new One_B();
}
}
public class B_Factory extends Factory {
@Override
public A CreateA() {
return new One_A();
} @Override
public B CreateB() {
return new Two_B();
}
}
实现:
Factory factory=new A_Factory();
factory.CreateA().aa();
factory.CreateB().bb();
Factory factory1=new B_Factory();
factory1.CreateA().aa();
factory1.CreateB().bb();
断网了……………………