converting char array to string

1char[] a = {'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd'};
2String str = new String(a);

1char[] arr = { 'p'," ",'q', 'r', 's' };
2      String str = String.valueOf(arr);
3      System.out.println(str);//"p qrs"

1String string = String.valueOf(a); 

1// Convert char array to String in Java
2class Util
3{
4    public static void main(String[] args)
5    {
6        char[] chars = {'T', 'e', 'c', 'h', 'i', 'e', ' ', 
7                        'D', 'e', 'l', 'i', 'g', 'h', 't'};
8 
9        String string = new String(chars);
10        System.out.println(string);
11    }
12}
13

1String x2 = "hello";
2String newSortedString = "";
3Object[] y = x2.toLowerCase()
4                .chars()
5                .sorted()
6                .mapToObj(i -> (char) i)
7                .toArray();
8
9for (Object o: y) {
10  newSortedString = newSortedString.concat(o.toString());
11}
12
13System.out.println(newSortedString);