which of the following can be used in a Java program as identifiers? double 42 is The Answer for first-name AnnualSalary hello sum of data average Name the six errors in the following program. There could be two on one line 1 public class secret Message 1. Can nave 2 public static main (string t] args f 2. No rerum TYPe 3 system. out.println ("Speak friend 3. stva is not ca Pira fized 4 Systems out.println ("and enter); 5. and enhtr docs nor Have 6. braces no in C What is the output of the following program? l public class Strange 2 public static void first 0 system ("Inside first method"). 6 public static void secondo 7 System out.println ("Inside second method"): first 11 public static void third 13 System out println ("Inside third method y; first 14 econd 15 17 public static void main (Stringti args) 18 first 19 third 20 second 21 third 22 231 Evaluate. Remember the order of operations. I4 2 3 4 (18 7) (43 10) 6/2 7/3 total number: race the following code. What is the output? Output int total 25; for (int number 1; number total 2) number total total number; System. out.println (total number)