PBO A-TUGAS 2: Membuat Bangunan 2D

Nama; Muhammad Naufal Refadi
NRP: 05111740000097
Kelas: PBO-A

Ini adalah tugas 2 PBO saya dengan mencari luas dan keliling dari bidang 2D(lingkaran persegi,segitiga,persegi panjang,belah ketupat dan jajar genjang) dengan membuat source code menggunakan bahasa Java.

Berikut merupakan formatted source code saya:

A. Class Main

 /**  
 * @author Muhammad Naufal Refadi
 * @version 10-09-2018
 */
 class Mymain  
 {  
   public static void main()  
   {  
     Circle aCircle;  
     aCircle= new Circle();  
     aCircle.x=10;  
     aCircle.y=20;  
     aCircle.r=5;  
     double area= aCircle.area();  
     double circumf=aCircle.Circumference();  
     System.out.println("Circle:");  
     System.out.println("Radius="+aCircle.r+" Area="+area);  
     System.out.println("Radius="+aCircle.r+" Circumference= "+circumf );  
     System.out.println();  
     Square aSquare;  
     aSquare= new Square();  
     aSquare.s=10;  
     double areaSquare= aSquare.area();  
     double perimSquare=aSquare.Perimeter();  
     System.out.println("Square:");  
     System.out.println("Side="+aSquare.s+ " Area="+areaSquare);  
     System.out.println("Side="+aSquare.s+ " Perimeter="+perimSquare);  
     System.out.println();  
     Triangle aTriangle;  
     aTriangle= new Triangle();  
     aTriangle.a=10;  
     aTriangle.b=20;  
     aTriangle.c=30;  
     aTriangle.h=5;  
     double areaTriangle= aTriangle.area();  
     double perimTriangle=aTriangle.Perimeter();  
     System.out.println("Triangle:");  
     System.out.println("Side1/base="+aTriangle.a+ " Height="+aTriangle.h+" Area="+areaTriangle);  
     System.out.println("Side 1="+aTriangle.a+ " Side 2="+aTriangle.b+ " Side 3="+aTriangle.c+ " Perimeter="+perimTriangle);  
     System.out.println();  
     Rectangle aRectangle;  
     aRectangle= new Rectangle();  
     aRectangle.l=10;  
     aRectangle.w=20;  
     double areaRectangle= aRectangle.area();  
     double perimRectangle=aRectangle.Perimeter();  
     System.out.println("Rectangle:");  
     System.out.println("lenght="+aRectangle.l+ " widht="+aRectangle.w+ " Area="+areaRectangle);  
     System.out.println("lenght="+aRectangle.w+ " widht="+aRectangle.l+" Perimeter="+perimRectangle);  
     System.out.println();      
     Rhombus aRhombus;  
     aRhombus= new Rhombus();  
     aRhombus.s=10;  
     aRhombus.d1=12;  
     aRhombus.d2=16;  
     double areaRhombus= aRhombus.area();  
     double perimRhombus=aRhombus.Perimeter();  
     System.out.println("Rhombus:");  
     System.out.println("Side="+aRhombus.s+ " Diameter 1="+aRhombus.d1+ " Diameter 1="+aRhombus.d2+ " Area="+areaRhombus);  
     System.out.println("Side="+aRhombus.s+ " Perimeter="+perimRhombus);  
     System.out.println();  
     Parallelogram aParallelogram;  
     aParallelogram= new Parallelogram();  
     aParallelogram.a=16;  
     aParallelogram.b=12;  
     aParallelogram.h=13;  
     double areaParallelogram= aParallelogram.area();  
     double perimParallelogram=aParallelogram.Perimeter();  
     System.out.println("Parallelogram:");  
     System.out.println("Side 1/base="+aParallelogram.a+ " Height=" +aParallelogram.h+ " Area="+areaParallelogram);  
     System.out.println("Side 1="+aParallelogram.a+ " Side 2="+aParallelogram.b+ " Perimeter="+perimParallelogram );  
     System.out.println();  
   }  
 }  

b. Public Class Circle

 public class Circle  
 {  
   public double x,y;  
   public double r;  
   /**  
    * Constructor for objects of class Circle  
    */  
   public double Circumference()  
   {  
     // initialise instance variables  
     return 2*3.14*r;  
   }  
   public double area()  
   {  
     // put your code here  
     return 3.14*r*r;  
   }  
 }  

c. Public Class Persegi

 public class Square  
 {  
   public double x,y;  
   public double r,s;  
   public double Perimeter()  
   {  
     return 4*s;  
   }  
   public double area()  
   {  
     return s*s;  
   }  
 }  

d. Public Class Segitiga

 public class Triangle  
 {  
   public double a,b,c,h;  
   public double Perimeter()  
   {  
     return a+b+c;  
   }  
   public double area()  
   {     
     return (a*h)/2;  
   }  
 }  

e. Public Class Persegi Panjang

 public class Rectangle  
 {  
   public double x,y;  
   public double r,l,w;  
   public double Perimeter()  
   {  
     return 2*(l+w);  
   }  
   public double area()  
   {   
     return l*w;  
   }  
 }  

f. Public Class Belah Ketupat

 public class Rhombus  
 {  
   public double s,d1,d2;  
   
   public double Perimeter()  
   {  
     return 4*s;  
   }  
   public double area()  
   {  
     return (d1*d2)/2;  
   }  
 }  

g. Public Class Jajar Genjang

 public class Parallelogram  
 {  
   public double x,y;  
   public double a,b,h;  
  
   public double Perimeter()  
   {  
     return 2*(a+b);  
   }  
   public double area()  
   {  
     return a*h;  
   }  
 }  

Berikut ini adalah screenshot bagan class dan outpunya