The String.char[] java.lang.String.toCharArray() method converts this string to a new character array.

Java String toCharArray() Method Example

This is a complete example to demonstrate the usage of toCharArray() method.

public class ToCharArrayExample {
    public static void main(String[] args) {
        String str = "javaguides";
        char[] characters = str.toCharArray();
        for (char c :  characters) {
            System.out.println(c);
        }
    }
}

Output:

j a v a g u i d e s 

Reference

https://www.javaguides.net/2018/08/java-string-class-api-guide.html