1.       Segitiga

public  class segitiga{

public static void main(String[]args){

int a = 7;

int t = 4;

double L;

L = 0.5*a*t;

System.out.println(“Hasil=”+L)

}

}

2.       Lingkaran

public class Lingkaran{

public static void main(String[]args){

int r = 7;

double L;

L = 3.14*r*r;

System.out.println(“Hasil=”+L);

}

}

3.       Bujursangkar

public class Bujursangkar{

public static void main(String[]args){

int s = 6;

int L;

L = s*s;

System.out.println(“Hasil=”+L);

}

}

4.       Empat Persegi Panjang

public class Empatpersegipanjang{

public static void main(String[]args){

int p = 8;

int l = 6;

int L;

L = p*l;

System.out.println(“Hasil=”+L);

}

}