State the name of method, method header and method declaration in the program. Briefly explain what the method do 2. Given the following program: 1 import java.util.*; 2 3 public class Harmonic { 40...

State the name of method, method header and method declaration in the program. Briefly explain what the method do

Extracted text: 2. Given the following program: 1 import java.util.*; 2 3 public class Harmonic { 40 public static double harmonic (int n) { double sum = 0.0; for (int i = 1; i <= n;="" i++)="" {="" sum="" +="1.0/" i;="" }="" 6="" 7="" 8="" return="" sum;="" 10="" 11="" 120="" }="" public="" static="" void="" main(string[]="" args)="" {="" scanner="" sc="new" scanner(system.in);="" int="" n="sc.nextInt();" for="" (int="" i="0;" i="">< n;="" i++)="" {="" 13="" 14="" 15="" 16="" 17="" 18="" 19="" 20="" 21="" }="" %d="" int="" arg="sc.nextInt();" double="" value="harmonic(arg);" system.out.println(value);="" %3d="" }="" }="" figure="" 4:="" program="" 6.4="" a)="" state="" the="" name="" of="" method,="" method="" header="" and="" method="" declaration="" in="" the="" program.="" briefly="" explain="" what="" the="" method="">