柳树的生长

class  ____________ {
    public void root(){
        String sSite = "土壤中";
        String sFunction = "吸收养份";
        print("位置："+sSite);
        print("功能："+sFunction);
    }
    public void _________(){
        String sSite = "地面";
        String sFunction = "传递养份";
        print("位置："+sSite);
        print("功能："+sFunction);
    }

    public void branch(){
        String sSite = "树干上";
        String sFunction = "传递养份";
        print("位置："+sSite);
        print("功能："+sFunction);
    }

    public void leaf(){
        String sSite = "树梢";
        String sFunction = "光合作用";
        String sColor = "绿色";
        print("位置："+sSite);
        print("功能："+sFunction);
        print("颜色："+sColor);
    }
    public void ___________(Object oPara){
        System.out.println(oPara);
    }

}
class Main  ___________ Tree{

    public void leaf(){
        super.leaf();
        String sShape = "长形";
        super.print("形状："+sShape);
    }
    public void ___________(){
        print("柳树会开花。");
    }

    public static void  main(String[] args){
        Main o = __________ Main();
        o.print("柳树树根：");
        o.root();
        o.print("柳树树干：");
        o.bolo();
        o.print("柳树树枝：");
        o.branch();
        o.print("柳树树叶：");
        o.leaf();
        o.print("柳树花：");
        o.flower();
    }
}