2021-03-05 09:04:42

GeometricObject

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package Examination;
import java.util.Date;
/**
 *
 * @author NAV
 */
public class GeometricObject {
     /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
    }
    private String color = "White";
	private boolean filled;
	private java.util.Date dateCreated;
	
	public GeometricObject()
	{
		dateCreated = new java.util.Date();
	}
	public GeometricObject(String color, boolean filled)
	{
		dateCreated = new java.util.Date();
		this.color = color;
		this.filled = filled;
	}
	
	public String getColor()
	{
		return color;
	}
	public boolean isFilled()
	{
		return filled;
	}
	public java.util.Date getDateCreated()
	{
		return dateCreated;
	}
	public void setColor(String color)
	{
		this.color = color;
	}
	public void setFilled(boolean filled)
	{
		this.filled = filled;
	}
	
	public String toString()
	{
		return "Created on " + dateCreated + "\ncolor: " + color + 
				" and filled: " + filled;
	}
}

2021-03-05 09:04:08

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 */
package examjavabasic;

/**
 *
 * @author TrungDuc
 */
public class Rectange extends GeometricObject {

    Float Width;
    Float Height;

    public Rectange() {

    }

    public Rectange(Float Width, Float Height, String Color, Boolean Filled, String dateCreated) {
        super(Color, Filled, dateCreated);
        this.Width = Width;
        this.Height = Height;
    }

    public Float getWidth() {
        return Width;
    }

    public void setWidth(Float Width) {
        this.Width = Width;
    }

    public Float getHeight() {
        return Height;
    }

    public void setHeight(Float Height) {
        this.Height = Height;
    }

    @Override
    public String getColor() {
        return Color;
    }

    @Override
    public void setColor(String Color) {
        this.Color = Color;
    }

    @Override
    public Boolean getFilled() {
        return Filled;
    }

    @Override
    public void setFilled(Boolean Filled) {
        this.Filled = Filled;
    }

    @Override
    public String getDateCreated() {
        return dateCreated;
    }

    @Override
    public void setDateCreated(String dateCreated) {
        this.dateCreated = dateCreated;
    }

    @Override
    public float getArea() {
        return (float) (Height * Width);
    }

    @Override
    public float perimeter() {
        return (float) (2 * (Height + Width));
    }

}

2021-03-05 09:03:48

/*
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 */
package exam;


/**
 *
 * @author UserName
 */
public class GeometricObject {
    String colour;
    boolean filled;
    dateCreated datetime;

    private static class dateCreated {
    
    }

    public GeometricObject() {
    }

    public GeometricObject(String colour, boolean filled, dateCreated datetime) {
        this.colour = colour;
        this.filled = filled;
        this.datetime = datetime;
    }
    
    public double getArea(); 
    
    public double getDiameter(); 
    
    public double getPerimeter();
    
    
    
    

    public String getColour() {
        return colour;
    }

    public boolean isFilled() {
        return filled;
    }

    public dateCreated getDatetime() {
        return datetime;
    }

    public void setColour(String colour) {
        this.colour = colour;
    }

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

    public void setDatetime(dateCreated datetime) {
        this.datetime = datetime;
    }

    @Override
    public String toString() {
        return "GeometricObject{" + "colour=" + colour + ", filled=" + filled + ", datetime=" + datetime + '}';
    }
    
    
}





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package exam;

import static java.lang.Math.PI;

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

    public Circle() {
    }

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

    public double getRadius() {
        return radius;
    }

    public void setRadius(double radius) {
        this.radius = radius;
    }
    
    
    
    
    @Override
        public double getArea() {
            return radius*radius*PI;
            
        }
    @Override
    public double getPerimeter() {
        return 2*radius*PI;
    }
    
    @Override
    public double getDiameter() {
        return 2*radius;
    }
    
}






/*
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 */
package exam;

import static java.lang.Math.PI;

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

    public Rectangle() {
    }

    public Rectangle(double width, double height) {
        this.width = width;
        this.height = height;
    }

    public double getWidth() {
        return width;
    }

    public double getHeight() {
        return height;
    }

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

    public void setHeight(double height) {
        this.height = height;
    }
    
    @Override
        public double getArea() {
            return width*height;
            
        }
    @Override
    public double getPerimeter() {
        return 2*(width + height);
    }
}





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 */
package exam;

import java.util.ArrayList;

/**
 *
 * @author UserName
 */
public class Driver {
    public static void main(String[] args) {
        
        ArrayList<GeometricObject> list = new ArrayList<>();
        
        Circle c = new Circle();
        c.radius = 10;
        c.colour = "white";
        c.filled = true;
        
        
        Rectangle r = new Rectangle();
        r.height = 100;
        r.width = 200;
        r.colour = "red";
        r.filled = true;
        
        list.add(c);
        list.add(r);
        
        System.out.println(c);
        System.out.println(r);
        sumArea(c, r);
        
       
        
    }
     public static double sumArea(Circle c, Rectangle r) {
            double cArea = c.getArea();
            double rArea = r.getArea();
            double sum = cArea + rArea;
            System.out.println("Ket qua la: " + sum);
            return 0;
        
            
            
        }
        
}

2021-03-05 09:03:44

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 */
package examjavabasic;

/**
 *
 * @author TrungDuc
 */
public class Circle extends GeometricObject {

    Float Radius;

    public Circle() {
    }

    public Circle(String Color, Boolean Filled, String dateCreated, float Radius) {
        super(Color, Filled, dateCreated);
        this.Radius = Radius;
    }
    
    public float getDiameter(){
        return 2* this.Radius;
    }

    public Float getRadius() {
        return Radius;
    }

    public void setRadius(Float Radius) {
        this.Radius = Radius;
    }

    @Override
    public String getColor() {
        return Color;
    }

    @Override
    public void setColor(String Color) {
        this.Color = Color;
    }

    @Override
    public Boolean getFilled() {
        return Filled;
    }

    @Override
    public void setFilled(Boolean Filled) {
        this.Filled = Filled;
    }

    @Override
    public String getDateCreated() {
        return dateCreated;
    }

    @Override
    public void setDateCreated(String dateCreated) {
        this.dateCreated = dateCreated;
    }
    
    

    @Override
    public float getArea() {
        return (float) (3.14*Radius*Radius);
           
    }

    @Override
    public float perimeter() {
        return (float) (2*Radius);
    }

}

2021-03-05 09:03:31

/*
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 */
package project2;

/**
 *
 * @author ADMIN
 */
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 09:03:27

/*
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package examjavabasic;

/**
 *
 * @author TrungDuc
 */
public abstract class GeometricObject {

    String Color;
    Boolean Filled;
    String dateCreated;

    public GeometricObject() {

    }

    public GeometricObject(String Color, Boolean Filled, String dateCreated) {
        this.Color = Color;
        this.Filled = Filled;
        this.dateCreated = dateCreated;
    }

    public String getColor() {
        return Color;
    }

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

    public Boolean getFilled() {
        return Filled;
    }

    public void setFilled(Boolean Filled) {
        this.Filled = Filled;
    }

    public String getDateCreated() {
        return dateCreated;
    }

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

    public abstract float getArea();

    public abstract float perimeter();

}

2021-03-05 09:03:14

/*
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package project2;

/**
 *
 * @author ADMIN
 */
public class Triangle extends GeometricObject{
	//date fields
	private double side1;
	private double side2;
	private double side3;
	
	//constructors
	public Triangle()
	{
		this(1.0, 1.0, 1.0);
	}
	public Triangle(double side1, double side2, double side3) throws IllegalArgumentException
	{
		if(side1 > 0 && side2 > 0 && side3 > 0 && ((side1 + side2 > side3) || (side2 + side3 > side1) || (side1 + side3 > side2)))
		{
			this.side1 = side1;
			this.side2 = side2;
			this.side3 = side3;
		}
		else
		{
			throw new IllegalArgumentException(
					"Invalid sides for triangle: (" + side1 + ", " + side2 + ", " + side3 + ")");
				
		}
	}
	
	//setters
	public void setSide1(double side1)
	{
		this.side1 = side1;
	}
	public void setSide2(double side2)
	{
		this.side2 = side2;
	}
	public void setSide3(double side3)
	{
		this.side3 = side3;
	}
	//getters
	public double getArea()
	{
		double p = (side1 + side2 + side3) / 2;
		return Math.sqrt(p * (p - side1) * (p - side2) * (p-side3));
	}
	//get perimeter
	public double getPerimeter()
	{
		return side1 + side2 + side3;
	}

	//override toString
	public String toString()
	{
		String fill = "not filled";
		if(isFilled())
			fill = "filled";
		String s = "Triangle (" + side1 + ", " + side2 + ",  " + side3 + "): "
				+ getColor() + ", " + fill + ", " + "area = " + getArea();
		return s;
	}
}

2021-03-05 09:03:11

/*
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 */
package exam;

/**
 *
 * @author WIN10
 */
public class Rectangle extends GeometricObject {
   
   double width;
   double 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 09:03:11

/*
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 */
package examjavabasic;

import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author TrungDuc
 */
public class Driver {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        ArrayList<GeometricObject> listObject = new ArrayList<>();

        System.out.println("Nhap ban kinh hinh tron: ");
        float Radius = Float.parseFloat(scan.nextLine());
        Circle circle = new Circle();
        circle.setRadius(Radius);
        listObject.add(circle);

        System.out.println("Nhap chieu rong hinh chu nhat: ");
        float Width = Float.parseFloat(scan.nextLine());
        System.out.println("Nhap chieu cao hinh chu nhat: ");
        float Height = Float.parseFloat(scan.nextLine());

        Rectange rectange = new Rectange();
        rectange.setHeight(Height);
        rectange.setWidth(Width);

        listObject.add(rectange);
        sumArea(circle, rectange);
    }

    static void sumArea(Circle circle, Rectange rectange) {
        float circleArea = circle.getArea();
        float circleRectange = rectange.getArea();
        float sumArea = circleArea + circleRectange;
        System.out.println("Tong dien tich 2 hinh la: " + sumArea);

    }

}

2021-03-05 09:03:07

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package baithithuchanh;

/**
 *
 * @author Admin
 */
public class Diver extends GeometricObject{
    double side1;
    double side2;
    double side3;

    public Diver() {
    }
    
    public Diver(double side1, double side2, double side3) throws IllegalArgumentException {
        if(side1 > 0 && side2 > 0 && side3 > 0 && ((side1 + side2 > side3) || (side2 + side3 > side1) || (side1 + side3 > side2))) {
            this.side1 = side1;
            this.side2 = side2;
            this.side3 = side3;
        } else {
            throw new IllegalArgumentException("Invalid sides for triangle: (" + side1 + ", " + side2 + ", " + side3 + ")");
        }
    }
}