2213043042赵嘉璇2023.10.24——Java Geometric

import java.util.Date;
import java.util.Scanner;

class Geometric {
    private String color;
    private boolean filled;
    private Date date;

public Geometric(String color, boolean filled) {
        this.color = color;
        this.date = new Date();
        this.filled = filled;
    }

public String getColor() {
        return color;
    }

public boolean isFilled() {
        return filled;
    }

public Date getDate() {
        return date;
    }

public void setColor(String color) {
        this.color = color;
    }

public void setDate(Date date) {
        this.date = date;
    }

public void setFilled(boolean filled) {
        this.filled = filled;
    }

@Override
    public String toString() {
        return "Geometric [color=" + color + ", filled=" + filled + ", date=" + date + "]";
    }

public double getArea() {
        return 0.0;
    }

public double getPerimeter() {
        return 0.0;
    }
}

class Circle extends Geometric {
    private double radius;

public Circle(double radius, String color, boolean filled) {
        super(color, filled);
        this.radius = radius;
    }

public double getRadius() {
        return radius;
    }

public void setRadius(double radius) {
        this.radius = radius;
    }

public double getArea() {
        return radius * radius * Math.PI;
    }

public double getPerimeter() {
        return 2 * radius * Math.PI;
    }

public double getDiameter() {
        return 2 * radius;
    }

@Override
    public String toString() {
        return "Circle [半径：" + radius + ",  颜色：" + getColor() + "，  填充：" + isFilled() +
                "，  创建时间：" + getDate() + "]";
    }
}

class Rectangle extends Geometric {
    private double width;
    private double height;

public Rectangle(String color, boolean filled, double width, double height) {
        super(color, filled);
        this.width = width;
        this.height = height;
    }

public double getWidth() {
        return width;
    }

public void setWidth(double width) {
        this.width = width;
    }

public double getHeight() {
        return height;
    }

public void setHeight(double height) {
        this.height = height;
    }

public double getArea() {
        return width * height;
    }

public double getPerimeter() {
        return (width + height) * 2;
    }

@Override
    public String toString() {
        return "Rectangle [width=" + width + ", height=" + height + ", getColor()=" +
                getColor() + ", isFilled()=" + isFilled() + ", getDate()=" + getDate() + "]";
    }
}

public class Main{

public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

System.out.println("请输入圆的半径，颜色，是否填满");
        double radius = sc.nextDouble();
        String color = sc.next();
        boolean filled = sc.nextBoolean();
        Geometric g = new Circle(radius, color, filled);

System.out.println(g);
        System.out.println("圆的面积为：" + g.getArea());
        System.out.println("圆的周长为：" + g.getPerimeter());
        System.out.println("圆的直径为：" + ((Circle) g).getDiameter());
        System.out.println("------------------");

System.out.println("请输入矩形的颜色，是否填满，长宽");
        color = sc.next();
        filled = sc.nextBoolean();
        double width = sc.nextDouble();
        double height = sc.nextDouble();
        g = new Rectangle(color, filled, width, height);

System.out.println(g);
        System.out.println("矩形的面积为：" + g.getArea());
        System.out.println("矩形的周长为：" + g.getPerimeter());
    }
}

工程训练中心A309/大数据与人工智能双创平台

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