Senin, 10 September 2012
Konversi Bilangan dengan Java
package Praktek1;
import java.util.Scanner;
import javax.swing.JOptionPane;
public class KonversiBilangan {
static String name;//variable global
static int bilDes;
//fungsi/method rekursi
public static void Biner(int n){
if (n>1){
Biner(n/2);
}
System.out.print(n%2);
}
public static void Hexa(int n) {
char[] daftarHexa={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
if(n>1){
Hexa(n/16);
}
System.out.print(daftarHexa[n%16]);
}
public static void Oktal(int n){
char[] daftarOktal={'0','1','2','3','4','5','6','7','8','9'};
if(n>1){
Oktal(n/8);
}
System.out.print(daftarOktal[n%8]);
}
public static void inputDes() {
System.out.print("Masukkan Bilangan desimal = ");
Scanner inputan=new Scanner(System.in);
bilDes=inputan.nextInt();
//return bilDes;
}
public static void tampilBiner(){
inputDes();
System.out.print("Binernya adalah ");
Biner(bilDes);
}
public static void tampilHexa(){
inputDes();
System.out.print("Hexanya adalah ");
Hexa(bilDes);
}
public static void tampilOktal(){
inputDes();
System.out.print("Oktalnya adalah ");
Oktal(bilDes);
}
public static int inpBil(){
System.out.println("====================================================================="+ "\nSelamat datang Sodara/i "+name+",");
System.out.println("Silahkan pilih menu konversi bilangan ke :"+ "\n1. Biner \n2. Hexa \n3. Oktal \n4. Exit");
System.out.print("Masukkan Angka Menu = ");
Scanner inputan=new Scanner(System.in);
int pilmenu=inputan.nextInt();
return pilmenu;
}
public static void menU(int pil){
System.out.println("\033");//clear screen
switch(pil){
case 1: tampilBiner(); break;
case 2: tampilHexa(); break;
case 3: tampilOktal(); break;
case 4: System.out.println("BUBYE!!");
System.exit(0); break;
default:System.out.println("(Maaf. Pilih angka 1-4 saja)" + ""); break;
}
System.out.println("\033");//clear screen
}
public static void main(String arg []) {
name=JOptionPane.showInputDialog("Masukkan Nama ANda :");
do{
//pemanggilan method/fungsi menu
menU(inpBil());
}
while(true);
}
}
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