1.Membuat Prog.rekursif FIBONACCI .output (0 1 2 3 5 8 13……) INPUT

TUGAS

ALGORITMA DAN PEMROGRAMAN

Disusun Oleh :

HERI PURNAMA

125410101

TI 2

Sekolah Tinggi Manajemen Informatika dan Komputer

AKAKOM

Yogyakarta

2012

1.Membuat Prog.rekursif FIBONACCI .output (0 1 2 3 5 8 13……)

INPUT

public class Fibonacci69{

   public static long fib(long a) {

    if ((a== 0) || (a== 1))

    return a;

    else

    return fib(a-1) + fib(a -2);

  }

  public static void main(String[] args) {

    for (int b= 0;b<= 10;b++)

      System.out.print(fib(b));

       System.out.println("");

  }

}

OUTPUT

2.Mengubah Pro.perulangan FOR mebjadi WHILE dan Do…WHILE

a).Prog FOR kalang

INPUT

import java.util.Scanner;

public class UlangForKalang1

{

public static void main(String args[]){

Scanner masuk = new Scanner(System.in);

int i,j,n;

System.out.print("n= ");

n = masuk.nextInt();

for (i=1;i<=n;i++)

{

for (j=1;j<=i;j++)

{

System.out.print(j);

}

System.out.println(" ");

}

}

}

OUTPUT

b). Prog WHILE kalang

INPUT

import java.util.Scanner;

public class WhileKalang

{

public static void main(String args[]){

Scanner masuk = new Scanner(System.in);

int i,j,n;

System.out.print("n= ");

n = masuk.nextInt();

i=1;

while (i<=n)

{

j=1;

while (j<=i)

{

System.out.print(j);

j++;

}

System.out.println(" ");

i++;

}

}

}

OUTPUT

C).  Prog do…….WHILE kalang

INPUT

import java.util.Scanner;

public class DoKalang

{

            public static void main(String args[]){

            Scanner masuk = new Scanner(System.in);

                        int i,j,n;

                        System.out.print("n= ");

                        n = masuk.nextInt();

                        i=1;

                        do

                        {

                        j=1;

                        do

                        {

                                    System.out.print(j);

                                    j++;

                                    }while (j<=i);

                                    System.out.println("");

                                    i++;

                        }while (i<=n);

            }

}

OUTPUT

3.Membuat Prog.menggunakan method untuk menghitung luas dan keliling lingkaran

INPUT

public class lingkaran{

            public float luas(){

            int r=5;

            float phi=3.14f;

            return(phi*r*r);}

            public float keliling(){

            int r=2;

            float phi=3.14f;

            return(2*phi*r);}

public static void main(String args[]){

            lingkaran obyek=new lingkaran();

            System.out.println("Hasil pemanggilan method luas lingkaran");

            System.out.print("");

            System.out.println(obyek.luas());

            System.out.println("Hasil pemanggilan method keliling lingkaran");

            System.out.print("");

            System.out.println(obyek.keliling());

                        }

}

OUTPUT