传递的对应应该是 Shape redRectangle = new RedShapeDecorator(new Circle());
时间: 2023-05-21 12:01:46 浏览: 46
这是一个装饰器模式的示例,通过将一个对象包装在另一个对象中,以动态地添加新的功能。在这个例子中,我们创建了一个圆形对象,并将其传递给一个红色形状装饰器,该装饰器将圆形对象包装在内,并添加了一个红色的外观。最终,我们将包装后的对象赋值给一个形状对象,以便我们可以使用它的方法来绘制它。以下是完整的代码示例:
```
interface Shape {
void draw();
}
class Circle implements Shape {
public void draw() {
System.out.println("Shape: Circle");
}
}
abstract class ShapeDecorator implements Shape {
protected Shape decoratedShape;
public ShapeDecorator(Shape decoratedShape) {
this.decoratedShape = decoratedShape;
}
public void draw() {
decoratedShape.draw();
}
}
class RedShapeDecorator extends ShapeDecorator {
public RedShapeDecorator(Shape decoratedShape) {
super(decoratedShape);
}
public void draw() {
decoratedShape.draw();
setRedBorder(decoratedShape);
}
private void setRedBorder(Shape decoratedShape){
System.out.println("Border Color: Red");
}
}
// Usage:
Shape redRectangle = new RedShapeDecorator(new Circle());
redRectangle.draw();
```
关于中文加密的问题,我需要更多的信息来回答。请提供更多的上下文和细节。