java como dividir uma cadeia em letras
//Java program to show the use of Split method (Java 8 and above)
public class SplitString{
public static void main(String[] args)
{
//Initialize the String which needs to be split
String str = "Enlighter";
//Use the Split method and store the array of Strings returned in a String array.
String[] arr = str.split("");
//Printing the characters using for-each loop
for(String character : arr)
System.out.print(char);
dividir cada personagem cadeia em matriz java
String s="abcd";
char[] a=s.toCharArray();
dividir cadeia 2 caracteres java
String str= "abcdef";
String[] array=str.split("(?<=\\G.{2})");
System.out.println(java.util.Arrays.toString(array));