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69 lines
1.3 KiB
69 lines
1.3 KiB
package com.example.shape;
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/**
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* 三角形类
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* 继承自Shape抽象类,实现getArea()方法
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*/
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public class Triangle extends Shape {
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private double base;
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private double height;
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/**
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* 构造方法
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* @param base 三角形的底
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* @param height 三角形的高
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*/
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public Triangle(double base, double height) {
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this.base = base;
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this.height = height;
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}
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/**
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* 计算三角形面积
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* @return 三角形的面积
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*/
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@Override
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public double getArea() {
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return base * height / 2;
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}
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/**
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* 获取三角形的底
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* @return 三角形的底
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*/
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public double getBase() {
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return base;
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}
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/**
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* 设置三角形的底
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* @param base 三角形的底
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*/
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public void setBase(double base) {
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this.base = base;
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}
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/**
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* 获取三角形的高
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* @return 三角形的高
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*/
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public double getHeight() {
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return height;
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}
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/**
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* 设置三角形的高
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* @param height 三角形的高
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*/
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public void setHeight(double height) {
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this.height = height;
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}
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/**
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* 绘制三角形
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*/
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@Override
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public void draw() {
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System.out.println("绘制一个底为 " + base + ",高为 " + height + " 的三角形");
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}
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}
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