Aplicacion en Modo Consola de Java. Donde Ingresaremos Un Numero Entero Y Nos Retornara, El Numero Entero En Romano
Ejemplo:
Numero Ingresado 20 = XX
Codigo Fuente:
import javax.swing.JOptionPane;
public class Romanos {
/**
* @param args
*/
public static void main (String[] args) {
//ingreso de total de arreglos
int num = Integer.parseInt(JOptionPane.showInputDialog("Ingrese Total De Numeros",1));
//declaramos el Arreglo
int numeros[] = new int[num];
//ingresar numeros
for (int i=0;i<numeros.length;i++){
numeros[i]= Integer.parseInt(JOptionPane.showInputDialog("Ingreso Nº " + (i+1) + " : ",1 ));
}
//mostrar y convertir
String Str ="";
for (int i=0;i<numeros.length;i++){
Str = Str + "Numero " + numeros[i] + " = " + Romanos(numeros[i])+"\n";
}
JOptionPane.showMessageDialog(null, Str);
}
//Metodo Para Convertir Numeros Enteros A romanos. Devuelve Una Cadena.
public static String Romanos(int num){
int x;
int mil,cent,dece,unid;
mil=(num/1000);
x=num%1000;
cent=x/100;
x=num%100;
dece=x/10;
unid=num%10;
String ERDN="";
switch(mil){
case 1:
ERDN = ERDN +"M";
break;
case 2:
ERDN = ERDN +"MM";
break;
case 3:
ERDN = ERDN +"MMM";
break;
}
switch(cent){
case 1:
ERDN = ERDN +"C";
break;
case 2:
ERDN = ERDN +"CC";
break;
case 3:
ERDN = ERDN +"CCC";
break;
case 4:
ERDN = ERDN +"CD";
break;
case 5:
ERDN = ERDN +"D";
break;
case 6:
ERDN = ERDN +"DC";
break;
case 7:
ERDN = ERDN +"DCC";
break;
case 8:
ERDN = ERDN +"DCCC";
break;
case 9:
ERDN = ERDN +"CM";
break;
}
switch(dece){
case 1:
ERDN = ERDN +"X";
break;
case 2:
ERDN = ERDN +"XX";
break;
case 3:
ERDN = ERDN +"XXX";
break;
case 4:
ERDN = ERDN +"XL";
break;
case 5:
ERDN = ERDN +"L";
break;
case 6:
ERDN = ERDN +"LX";
break;
case 7:
ERDN = ERDN +"LXX";
break;
case 8:
ERDN = ERDN +"LXXX";
case 9:
ERDN = ERDN +"XC";
break;
}
switch(unid){
case 1:
ERDN = ERDN +"I";
break;
case 2:
ERDN = ERDN +"II";
break;
case 3:
ERDN = ERDN +"III";
break;
case 4:
ERDN = ERDN +"IV";
break;
case 5:
ERDN = ERDN +"V";
break;
case 6:
ERDN = ERDN +"VI";
break;
case 7:
ERDN = ERDN +"VII";
break;
case 8:
ERDN = ERDN +"VIII";
break;
case 9:
ERDN = ERDN +"IX";
break;
}
return ERDN;
}
}
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