《Java设计模式》课后习题参考答案-刘伟(20180723).pdf

• java.util.Calendar#getInstance()

• java.nio.ByteBuffer#put() (CharBuffer, ShortBuffer, IntBuffer, LongBuffer, FloatBuffer 和

• javax.xml.bind.annotation.adapters.XmlAdapter#marshal()

• JDBC

(6) 享元模式(Flyweight)

• java.lang.reflect.Method#invoke()

• javax.servlet.http.HttpServlet

{

public Rectangle(double width,double height)

}

}

public static void main(String args[])