Contoh-contoh koding Pemrograman Java Bagian-1

//Anak Ayam

  for (int i = 100; i > 0; i--) {

         System.out.println(" Anak Ayam "+i+" Mati 1 Tinggal "+(i-1));

        }}}

//Faktorial

   int batas = 5;

        int counter = 1;

        int faktorial = 1;

        for(counter=1; counter<=batas; counter++)    {

            faktorial = 1;

            for(int faktor=2; faktor<=counter; faktor++)    {

                faktorial*= faktor;}

            System.out.println(counter + "!" + " = " + faktorial);

        }}}

//54321

 for (int i=5;i>=1;i--) {   

            for (int j=i;j>=1;j--){

            System.out.print(j);}

        System.out.println("");}

    System.out.println("");

    }}

//Hasil:

54321

4321

321

21

1

//12345

            for (int i = 1; i <= 5; i++) {

            for (int j = 1;  j <= 5; j++) {

        System.out.print(i*j);}

        System.out.println("");}

    System.out.println("");

    }}

//Hasil:

12345

246810

3691215

48121620

510152025

//1-54321

for (int i = 1; i <=5; i++) {  

            for (int j = i; j >=1; j--) {

        System.out.print(j);}

        System.out.println("");}

    System.out.println("");

    }}

//Hasil:

1

21

321

4321

54321

//Menghitung genap atau ganjil

int a=4;

if (a%2 ==0)

            System.out.println(a +"genap");

else

            System.out.println(a +"ganjil");

    }}

hasil:

4genap

//perubahan (versi for)

 for (int a=1;a<=4;a++)

            System.out.println(a);}}

//perubahan(versi do while)

 int a=1;

 do {

     System.out.println(a);

     a++;

 }while (a<=4);

        System.out.println("");}}

//perubahan(versi while)

 int a=1;

 while (a<=4)

 {System.out.println(a);

  a++;}

     System.out.println("");}}