In Java how does one turn a String into a char or a char into a String?

Question

Is there a way to turn a char into a String or a String with one letter into a char (like how you can turn an int

Answer 1

String g = "line";
//string to char
char c = g.charAt(0);
char[] c_arr = g.toCharArray();
//char to string
char[] charArray = {'a', 'b', 'c'};
String str = String.valueOf(charArray);
//(or iterate the charArray and append each character to str -> str+=charArray[i])

//or String s= new String(chararray);