package com.sf.ioc.auto;

public class House {

    // 屋子中有椅子  椅子上坐着一位老师
    private Chair chair;

    public void setChair(Chair chair) {
        System.out.println("House setChair");
        this.chair = chair;
    }

    @Override
    public String toString() {
        return "House{" +
                "chair=" + chair +
                '}';
    }
}