2021-03-05 08:50:59

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package baithilythuyet.geometricobject;
import java.util.Date;
/**
 *
 * @author Admin
 */
public class GeometricObject{

        String color;
        boolean filled;
        Date dateCreated;
        double area;
        double perimeter;

    public GeometricObject() {
    }

    public GeometricObject(String color, boolean filled, Date dateCreated, double area, double perimeter) {
        this.color = color;
        this.filled = filled;
        this.dateCreated = dateCreated;
        this.area = area;
        this.perimeter = perimeter;
    }

    public String getColor() {
        return color;
    }

    public boolean isFilled() {
        return filled;
    }

    public Date getDateCreated() {
        return dateCreated;
    }

    public double getArea() {
        return area;
    }

    public double getPerimeter() {
        return perimeter;
    }

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

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

    public void setDateCreated(Date dateCreated) {
        this.dateCreated = dateCreated;
    }

    public void setArea(double area) {
        this.area = area;
    }

    public void setPerimeter(double perimeter) {
        this.perimeter = perimeter;
    }
    

    
}

2021-03-05 08:43:09

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package exam1;

/**
 *
 * @author mac
 */
public class Rectangle extends GeometricObject{
	//date field
	private double width;
	private double height;
	
	//constructors
	public Rectangle(double width, double height)
	{
		this.width = width;
		this.height = height;
	}
	public Rectangle(double width, double height, String color, boolean filled)
	{
		this.width = width;
		this.height = height;
		setColor(color);
		setFilled(filled);
	}
	
	//getter
	public double getWidth()
	{
		return width;
	}
	public void setWidth(double width)
	{
		this.width = width;
	}
	public double getHeight()
	{
		return height;
	}
	//setter
	private void setHeight(double height)
	{
		this.height = height;
	}
	public double getArea()
	{
		return width * height;
	}
	//get perimeter
	public double getPerimeter(){
		return 2 * (width + height);
	}
}

2021-03-05 08:42:32

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package exam1;

/**
 *
 * @author mac 
 */
public class Circle  extends GeometricObject {
	//data field
	private double radius;
	
	//constructors
	public Circle(){
	}
	public Circle(double radius){
		this.radius = radius;
	}
	public Circle(double radius, String color, boolean filled)
	{
		this.radius = radius;
		setColor(color);
		setFilled(filled);
	}
	
	//getter
	public double getRadius()
	{
		return radius;
	}
	public double getArea()
	{
		return radius * radius * Math.PI;
	}
	public double getPerimeter()
	{
		return 2 * radius;
	}
	public double getDiameter()
	{
		return 2 * radius * Math.PI;
	}
	//setter
	public void setRadius( double radius)
	{
		this.radius = radius;
	}
	//print the Circle
	public void printCircle()
	{
		System.out.println("The circle is created " + getDateCreated() + " and the radius is " + radius);
	}
}

2021-03-05 08:41:55

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package exam1;

/**
 *
 * @author mac
 */
public class Rectangle {
    double width, height;

    public Rectangle() {
    }

    public Rectangle(double width, double height) {
        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;
    }
    
    
}

2021-03-05 08:41:10

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package exem1;

/**
 *
 * @author mac
 */
public class GeometricObject {
	//date fields
	private String color = "White";
	private boolean filled;
	private java.util.Date dateCreated;
	
	//constructors
	public GeometricObject()
	{
		dateCreated = new java.util.Date();
	}
	public GeometricObject(String color, boolean filled)
	{
		dateCreated = new java.util.Date();
		this.color = color;
		this.filled = filled;
	}
	
	//getter
	public String getColor()
	{
		return color;
	}
	public boolean isFilled()
	{
		return filled;
	}
	public java.util.Date getDateCreated()
	{
		return dateCreated;
	}
	//setter
	public void setColor(String color)
	{
		this.color = color;
	}
	public void setFilled(boolean filled)
	{
		this.filled = filled;
	}
	
	//override toString
	public String toString()
	{
		return "Created on " + dateCreated + "\ncolor: " + color + 
				" and filled: " + filled;
	}
}

2021-03-05 08:36:59

#Circle.java

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package ExamAptechJavaBasic;


/**
 *
 * @author MyPC
 */
public class Circle extends GeometricObject{
    double radius;

    public Circle() {
    }

    public Circle(double radius) {
        this.radius = radius;
    }

    public double getRadius() {
        return radius;
    }

    public void setRadius(double radius) {
        this.radius = radius;
    }
    
    public double getDiameter(){
        return radius * 2;
    }

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

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

#Drive.java

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package ExamAptechJavaBasic;
import java.util.Scanner;

/**
 *
 * @author MyPC
 */
public class Drive {
    public static void main(String[] args) {
        GeometricObject[] objectList = new GeometricObject[2];
        Circle circle = new Circle();
        Rectangle rectangle = new Rectangle();
        Scanner scan = new Scanner(System.in);
        System.out.println("Input info of circle:");
        System.out.println("Radius:");
        float radius = scan.nextFloat();
        circle.radius = radius;
        objectList[0] = circle;
        while(true){
            System.out.println("");
            System.out.println("Input info of rectangle:");
            System.out.println("Width:");
            float width = scan.nextFloat();
            System.out.println("Height:");
            float height = scan.nextFloat();
            System.out.println("");
            if( width > height ){
                System.out.println("Height must be longer than width!!");
                System.out.println("Please try again");
                continue;
            }
            rectangle.width = width;
            rectangle.height = height;
            objectList[1] = rectangle;
            System.out.println("Sum areas of all the geometric objects in an array is: " + sumArea(objectList));
            break;
        }
    }
    
    public static double sumArea(GeometricObject[] a){
        double sum = 0;
        for (GeometricObject geometricObject : a) {
            sum += geometricObject.getArea();
        }
        return sum;
    }
}

#GeometricObject.java

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package ExamAptechJavaBasic;

import java.util.Date;

/**
 *
 * @author MyPC
 */
public abstract class GeometricObject {
    String color;
    boolean filled;
    java.util.Date dateCreated;

    protected GeometricObject() {
    }


    public String getColor() {
        return color;
    }

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

    public boolean isFilled() {
        return filled;
    }

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

    public Date getDateCreated() {
        return dateCreated;
    }
    
    @Override
    public String toString() {
        return "GeometricObject{" + "color=" + color + ", filled=" + filled + ", dateCreated=" + dateCreated + '}';
    }

    public abstract double getArea();
    public abstract double getPerimeter();
    
}

#Rectangle.java

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package ExamAptechJavaBasic;

/**
 *
 * @author MyPC
 */
public class Rectangle extends GeometricObject{
    double width,height;

    public Rectangle() {
    }

    public Rectangle(double width, double height) {
        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;
    }
    
    

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

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

2021-03-05 08:00:45

#ảnh điểmt thực hành.png

https://res.cloudinary.com/wegoup/image/upload/v1614931242/b82jl8cpyejjup876ktf.png

2021-03-05 07:50:17

#156808455_1135766476844989_5478286330375543139_n.png

https://res.cloudinary.com/wegoup/image/upload/v1614930607/pwlr0bhyktmiq7mfljz2.png

2021-03-05 07:47:36

KQ thi lý thuyết 

2021-03-05 07:47:30

lý thuyết