package com.hanqi.test;

public class Animal {

    private String name;

    private int legs;

    private int count;

    public String getKind() {

        return name;

    }

    public void setKind(String name) {

        this.name = name;

    }

    public int getLegs() {

        return legs;

    }

    public void setLegs(int legs) {

        this.legs = legs;

    }

    public int getCount() {

        return count;

    }

    public void setCount(int count) {

        this.count = count;

    }

}

package com.hanqi.test;

public class Fish extends Animal {

}

package com.hanqi.test;

public class Tiger extends Animal {

}

package com.hanqi.test;

public class SouthEastTiger extends Tiger {

}

package com.hanqi.test;

public class Test02 {

    public static void main(String[] args) {

        Rect re=new Rect();

        re.setA();

        re.setB();

        re.getArea();

        Circle cc=new Circle();

        System.out.println("radius=30圆 的面积是："+cc.getArea());

        SouthEastTiger set= new SouthEastTiger();

        set.setCount();

        System.out.println("SouthEastTiger的数量是："+set.getCount());

        Tiger t=new Tiger();

        t.setCount();

        System.out.println("tiger的数量是："+t.getCount());

    }

}