Please do the TODO comments in Java. Will thumbs up

// TODO: Add Javadoc comments to the class and all methods and fields. public class Euclidean extends Distance { public Euclidean(int x1, int yl, int x2, int y2) { // TODO: Initialize the description field using the format shown in the // Tests class. // TODO: Calculate the Euclidean distance of the two points and assign // it to the distance field. public class Tests { public static void main(String[] args) { Distance emptyDist = new Distance(); String emptyDistans = "No argument: 0"; test(emptyDist, emptyDistans, "Distance()"); Distance intDist = new Distance(5); String intDistAns = "Number of 1s in binary 5 (101): 2"; test(intDist, intDistAns, "Distance(int)"); Distance strDist = new Distance ("Hi!"); String strDistAns = "Sum of chars in \"Hi!\": 210"; test (strDist, strDistAns, "Distance(String)"); // Note that a Euclidean object can be assigned to a Distance variable. Distance eucDist = new Euclidean(3, 0, 0, 4); String eucDistans - "Euclidean distance between (3, 0) and (0, 4): 5.0"; test(eucDist, eucDistAns, "Euclidean(int, int, int, int)"); // Note that a Hamming object can be assigned to a Distance variable. Distance strHammDist = new Hamming("cat", "sat"); String strHammDistAns = "Hamming distance between cat and sat: 1"; test(strHammDist, strHammDistans, "Hamming (String, String)"); Distance intHammDist = new Hamming (4, 5); String intHammDistAns = "Hamming distance between 100 and 101: 1"; test(intHammDist, intHammDistans, "Hamming(int, int)"); * A helper method for main that tests the toString output of a Distance * object. The method prints an error message if the output is incorrect. * @param obj a Distance object. * @param ans the correct toString output. * @param testName a description of the constructor used to create obj. public static void test(Distance obj, String ans, String testName) { if (!obj.toString().equals(ans)) { System.out.println("Incorrect " + testName); System.out.println("Expected: " + ans); System.out.println("Returned: " + obj.toString(); System.out.println()