how to convert a string to a char array java code example

Example 1: java string to char array

String str = "example";
char[] ch = str.toCharArray();

Example 2: char array to string java

char[] a = {'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd'};
String str = new String(a);