import java.util.concurrent.ThreadLocalRandom; import javax.swing.JOptionPane; class Main{ public static void main(String[] args) { int par[] = new int[10]; int impar[] = new int[10]; int i = 0,p = 0,x; do { x = ThreadLocalRandom.current().nextInt(1, 20); if(x % 2 == 0){ if(p < 10) par[p] = x; p++; }else{ if(i < 10) impar[i] = x; i++; } }while (i < 10 || p < 10); System.out.println("p: "+p); System.out.println("i: "+i); String str = "Valores:\nPares : "; for (int j = 0; j < 10; j++) { if(par[j] < 10) str +="0"; str += par[j]; if(j < 9) str +=" - "; } str +="\nImpares: "; for (int j = 0; j < 10; j++) { if(impar[j] < 10) str +="0"; str += impar[j]; if(j < 9) str +=" - "; } JOptionPane.showMessageDialog(null,str); } }