Unidad 2 Ejercicio 38 (varias soluciones vuestras también)

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package ud2ejerc38;

/**
*
* @author Juan
*/
public class Ud2Ejerc38 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        int num=99, unid, dec, cent;
        do {num=num+1;
            cent=num/100;
            dec=num/10-cent*10;
            unid=num-cent*100-dec*10;
            if (num==Math.pow(cent,3)+Math.pow(dec,3)+Math.pow(unid,3)) System.out.printf("%d \t", num);
        } while (num!=999);

        // TODO code application logic here
        for (int i = 100; i < 1000; i++) {
            if (i==(Math.pow(i/100, 3)+Math.pow((i%100)/10,3)+Math.pow(i%10,3))) {
               System.out.print(" "+i);
            }
   
     
        }System.out.println();
        for (int x = 1; x < 10; x++) {
            for (int y = 0; y < 10; y++) {
                for (int z = 0; z < 10; z++) {
                    num= x*100+y*10+z;
                    if (num==(Math.pow(x, 3)+Math.pow(y,3)+Math.pow(z,3))) {
                        System.out.println(" "+num);
            }
                   
                }
               
            }
        }
    }
}

Resto ejercicios: http://tecnoloxiaxa.blogspot.com.es/2013/09/dam-programacion.html