how to cast from string to char code example
Example 1: java convert a string to char[]
String string = "ABCDEF" ;
char[] charsFromString = string.toCharArray(); // { 'A', 'B', 'C', 'D', 'E', 'F' }
Example 2: java convert a char[] to string
char[] chars = { 'A', 'B', 'C', 'D', 'E', 'F' };
String str1 = String.valueOf(chars); //"ABCDEF"
String str2 = new String(chars);// "ABCDEF"
System.out.println(str1.equals(str2)); //"true"