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13 lines
271 B
13 lines
271 B
package com.trae.shape;
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/**
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* 形状抽象类
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* 定义了所有形状都必须实现的面积计算方法
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*/
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public abstract class Shape {
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/**
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* 计算形状面积的抽象方法
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* @return 形状的面积
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*/
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public abstract double getArea();
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}
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