how-to

Conversion between types

How to convert string to char[] array

For conversion use method java.lang.String.toCharArray():

String s = "This is text";
    
char[] chars = s.toCharArray();
    
System.out.println( Arrays.toString( chars ) );
The output is:
[T, h, i, s,  , i, s,  , t, e, x, t]