Tugas 2 PBO-A Luas Bangun Datar

Source Code dan SS :

public class Main
{
    
    public static void jajarangenjang()
    {
        JajaranGenjang JG1;


JG1 = new JajaranGenjang();
        
        JG1.a = 12;
        JG1.t = 7;
        JG1.m = 5;
        
       double area = JG1.area();
        
       double circumf = JG1.circumference();
       
       System.out.println("Alas="+JG1.a+"\n"+"Tinggi="+JG1.t+"\n"+"sisi miring="+JG1.m);
       System.out.println("Luas Jajaran Genjang="+area);
       System.out.println("Keliling Jajaran Genjang="+circumf+"\n"+"\n");
       
    }
    
    public static void bujursangkar()
    {
        Bujursangkar BS1;
        BS1 = new Bujursangkar();
        
        BS1.x = 12;
        
       double area = BS1.area();
        
       double circumf = BS1.circumference();
       
       System.out.println("Sisi="+BS1.x);
       System.out.println("Luas Bujur Sangkar="+area);
       System.out.println("Keliling Bujur Sangkar="+circumf+"\n"+"\n");
       
    }
    
    public static void Segitiga()
    {
        Segitiga S1;
        S1 = new Segitiga();
        
        S1.x = 12;
        S1.y = 7;
        
       double area = S1.area();
        
       double circumf = S1.circumference();
       
       System.out.println("Alas="+S1.x+"\n"+"Tinggi="+S1.y);
       System.out.println("Luas Segitiga="+area);
       System.out.println("Keliling Segitiga="+circumf+"\n"+"\n");
       
    }
    
     public static void PersegiPanjang()
    {
        PersegiPanjang PP1;
        PP1 = new PersegiPanjang();
        
        PP1.x = 12;
        PP1.y = 7;
        
       double area = PP1.area();
        
       double circumf = PP1.circumference();
       
       System.out.println("Panjang="+PP1.x+"\n"+"Lebar="+PP1.y);
       System.out.println("Luas Persegi Panjang="+area);
       System.out.println("Keliling Persegi Panjang="+circumf+"\n"+"\n");
       
    }
    
    public static void BelahKetupat()
    {
        BelahKetupat BK1;
        BK1 = new BelahKetupat();
        
        BK1.d1 = 8;
        BK1.d2 = 6;
        
       double area = BK1.area();
        
       double circumf = BK1.circumference();
       
       System.out.println("Diagonal 1="+BK1.d1+"\n"+"Diagonal 2="+BK1.d2);
       System.out.println("Luas Belah Ketupat="+area);
       System.out.println("Keliling Belah Ketupat="+circumf+"\n"+"\n");
       
    }
}

public class JajaranGenjang
{
    public double a, t, m;
        
        public double circumference(){
            return m+m+a+a;
        }
        public double area(){
            return a*t;
        }
}

public class BelahKetupat
{
    public double d1, d2, s;
        
        public double circumference(){
            s = Math.sqrt(((0.5*d1)*(0.5*d1))+((0.5*d2)*(0.5*d2)));
            return s*4;
        }
        public double area(){
            return (d1*d2)*0.5;
        }
}

public class Segitiga
{
    public double x, y, r;
        
        public double circumference(){
            r = Math.sqrt(((0.5*x)*(0.5*x))+(y*y));
            return r+r+x;
        }
        public double area(){
            return (x*y)*0.5;
        }
}

public class PersegiPanjang
{
    public double x, y;
        
        public double circumference(){
            return x+x+y+y;
        }
        public double area(){
            return x*y;
        }
}

public class Bujursangkar
{
    public double x;
        
        public double circumference(){
            return x*4;
        }
        public double area(){
            return x*x;
        }
}