2D Class OOP

Source code terdiri dari :
- Main
- Circle
- Rectangle
- Square
- Triangle
- Rhombus
- Parallelogram

1) Source code Main

import static java.lang.Math.sqrt;
import java.awt.*;
/**
 * Write a description of class Main here.
 *
 * @author Satria Ade Veda Karuniawan
 * @version 09/10/2018
 */
public class Main
{
    public static void main(String args[])
    {
        //Circle definition
        Circle testCircle;
        testCircle = new Circle();
        testCircle.SetRadius(3.0);
        testCircle.SetCenter(2.0,2.0);
     
        double LuasLingkaran = testCircle.Area();
        double KelilingLingkaran = testCircle.Circumference();
     
        //Rectangle definition
        Rectangle testRectangle;
        testRectangle = new Rectangle();
        testRectangle.SetSide(4.0,3.0);
        testRectangle.SetCenter(2.0,2.0);
     
        double LuasPersegiPanjang = testRectangle.Area();
        double KelilingPersegiPanjang = testRectangle.Circumference();
     
        //Square definition
        Square testSquare;
        testSquare = new Square();
        testSquare.SetSide(4.0);
        testSquare.SetCenter(2.0,2.0);
     
        double LuasPersegi = testSquare.Area();
        double KelilingPersegi = testSquare.Circumference();
     
        //Triangle definition
        Triangle testTriangle;
        testTriangle = new Triangle();
        testTriangle.SetBottom(4.0);
        testTriangle.SetCenter(2.0,2.0);
     
        double LuasSegitiga = testTriangle.Area();
        double KelilingSegitiga = testTriangle.Circumference();
     
        //Rhombus definition
        Rhombus testRhombus;
        testRhombus = new Rhombus();
        testRhombus.SetDiagonal(2.0,1.5);
        testRhombus.SetCenter(2.0,2.0);
     
        double LuasBelahKetupat = testRhombus.Area();
        double KelilingBelahKetupat = testRhombus.Circumference();
     
        //Parallelogram definition
        Parallelogram testParallelogram;
        testParallelogram = new Parallelogram();
        testParallelogram.SetLongSide(4.0);
        testParallelogram.SetHeight(2.0);
        testParallelogram.SetHypo(3.0);
     
        double LuasJajarGenjang = testParallelogram.Area();
        double KelilingJajarGenjang = testParallelogram.Circumference();
     
     
        System.out.println("Luas lingkaran adalah " + LuasLingkaran + " cm^2");
        System.out.println("Keliling lingkaran adalah " + KelilingLingkaran + " cm");
     
        System.out.println("Luas persegi-panjang adalah " + LuasPersegiPanjang + " cm^2");
        System.out.println("Keliling persegi-panjang adalah " + KelilingPersegiPanjang + " cm");
     
        System.out.println("Luas persegi adalah " + LuasPersegi + " cm^2");
        System.out.println("Keliling persegi adalah " + KelilingPersegi + " cm");
     
        System.out.println("Luas segitiga adalah " + LuasSegitiga + " cm^2");
        System.out.println("Keliling segitiga adalah " + KelilingSegitiga + " cm");
     
        System.out.println("Luas belah-ketupat adalah " + LuasBelahKetupat + " cm^2");
        System.out.println("Keliling belah-ketupat adalah " + KelilingBelahKetupat + " cm");
     
        System.out.println("Luas lingkaran adalah " + LuasJajarGenjang + " cm^2");
        System.out.println("Keliling lingkaran adalah " + KelilingJajarGenjang + " cm");

    }
}

2) Source code Circle

/**
 * Write a description of class Circle here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Circle
{
    private double radius;
    private double centerx;
    private double centery;
 
    public Circle()
    {
        radius = 1;
        centerx = 0;
        centery = 0;

    }
 
    public void SetRadius(double r)
    {
        radius = r;
    }
 
    public void SetCenter(double x, double y)
    {
        centerx = x;
        centery = y;
    }
 
 
    public double Circumference()
    {
        return 2*3.14*radius;
    }
 
    public double Area()
    {
        return 3.14*radius*radius;
    }
 
}

3) Source code Rectangle

import java.awt.*;
import java.awt.Canvas;
/**
 * Write a description of class Rectangle here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Rectangle
{
    private double aside;
    private double bside;
    private double centerx;
    private double centery;
    private boolean isVisible;
    private String color;
 
    public Rectangle()
    {
        aside = 2;
        bside = 1;
        centerx = 0;
        centery = 0;
        isVisible = true;
        color = "black";

    }
 
    public void SetSide(double l, double s)
    {
        aside = l;
        bside = s;
    }
 
    public void SetCenter(double x, double y)
    {
        centerx = x;
        centery = y;
    }
 
 
    public double Circumference()
    {
        return 2*aside + 2*bside;
    }
 
    public double Area()
    {
        return aside * bside;
    }
 

}

4) Source code Square

/**
 * Write a description of class Square here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Square
{
    private double side;
    private double centerx;
    private double centery;
 
    public Square()
    {
        side = 1;
        centerx = 0;
        centery = 0;

    }
 
    public void SetSide(double s)
    {
        side = s;
    }
 
    public void SetCenter(double x, double y)
    {
        centerx = x;
        centery = y;
    }
 
 
    public double Circumference()
    {
        return 4 * side;
    }
 
    public double Area()
    {
        return side * side;
    }
}

5) Source code Triangle

import static java.lang.Math.sqrt;
/**
 * Write a description of class Triangle here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Triangle
{
    private double bottom;
    private double height;
    private double hypo;
    private double centerx;
    private double centery;
 
    public Triangle()
    {
        bottom = 1;
        height = 1;
        centerx = 0;
        centery = 0;

    }
 
    public void SetBottom(double s)
    {
        bottom = s;
    }
 
    public void SetHeight(double h)
    {
        height = h;
    }
 
    public void SetCenter(double x, double y)
    {
        centerx = x;
        centery = y;
    }
 
 
    public double Circumference()
    {
        hypo = Math.sqrt(0.5*bottom*0.5*bottom + height*height);
        return 2*hypo + bottom;
    }
 
    public double Area()
    {
        return 0.5 * bottom * height;
    }
}

6) Source code Rhombus

import static java.lang.Math.sqrt;
/**
 * Write a description of class Rhombus here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Rhombus
{
    private double firstdiagonal;
    private double seconddiagonal;
    private double side;
    private double centerx;
    private double centery;
 
    public Rhombus()
    {
        firstdiagonal = 1;
        seconddiagonal = 1;
        centerx = 0;
        centery = 0;

    }
 
    public void SetDiagonal(double d1, double d2)
    {
        firstdiagonal = d1;
        seconddiagonal = d2;
    }
 
    public void SetCenter(double x, double y)
    {
        centerx = x;
        centery = y;
    }
 
 
    public double Circumference()
    {
        side = Math.sqrt(0.5 * firstdiagonal * 0.5 * firstdiagonal + 0.5 * seconddiagonal * 0.5 * seconddiagonal);
        return 4 * side;
    }
 
    public double Area()
    {
        return 0.5 * firstdiagonal * seconddiagonal;
    }
}

7) Source code Parallelogram

/**
 * Write a description of class Parallelogram here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Parallelogram
{
    private double longside;
    private double height;
    private double hypo;
    private double centerx;
    private double centery;
 
    public Parallelogram()
    {
        longside = 4.0;
        height = 2.0;
        hypo = 3.0;
        centerx = 0;
        centery = 0;

    }
 
    public void SetLongSide(double l)
    {
        longside = l;
    }
 
    public void SetHeight(double h)
    {
        height = h;
    }
 
    public void SetHypo(double hy)
    {
        hypo = hy;
    }
 
    public void SetCenter(double x, double y)
    {
        centerx = x;
        centery = y;
    }
 
 
    public double Circumference()
    {
        return 2 * longside + 2 * hypo;
    }
 
    public double Area()
    {
        return 0.5 * longside * height;
    }
}

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