how to pass char array to function in java code example

Example 1: java put a char array into a string

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

Example 2: char array in java

char[] JavaCharArray = new char[5];
JavaCharArray[0] = 'r';
JavaCharArray[1] = 's';
JavaCharArray[2] = 't';
JavaCharArray[3] = 'u';