how to take String to char in java code example

Example 1: convert char to string java

char c = 'a';
String s = Character.toString(c);
//s == "a"

Example 2: java convert a string to char[]

String string =  "ABCDEF" ;
 
char[] charsFromString = string.toCharArray(); // { 'A', 'B', 'C', 'D', 'E', 'F' }