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- import java.util.Random;
- public class GeneradorDeLetra {
- public static final int LETRA_A = 97;
- public static final int LETRA_z = 122;
- public final static Random generador = new Random();
- public static char genLetra(){
- return (char)genNroAsCiiLetra();
- }
- private static int genNroAsCiiLetra(){
- return generador.nextInt(LETRA_z - LETRA_A + 1) + LETRA_A;
- }
- }
- import java.util.*;
- import java.util.function.Function;
- import java.util.stream.Stream;
- import static java.util.stream.Collectors.toList;
- public class DemoClubDeVideo {
- public static void main(String[] args)throws UnknownHostException {
- Optional<String> palabra =
- Stream.generate(GeneradorDeLetra::genLetra)
- .limit(10)
- .map(String::valueOf)
- .reduce(String::concat);
- if(palabra.get().indexOf('z') != -1) {
- System.out.println("palabra " + palabra.get()+" tiene letra(z)");
- }else{
- System.out.println("palabra " + palabra.get()+ " no tiene letra(z)");
- }
- }
- }
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