Need Help With this Java problem

Here is the code from assignment 29 the code we have to udate for this assignment

import java.util.Scanner; public class WeightOnMoon { public static void main(String[] args) { Scanner s = new Scanner(System.in); System.out.println("Enter Your Weight"); double WeightOnEarth = s.nextDouble(); if (WeightOnEarth Update your program from Assignment 29 o receive full credit programmers must apply coding conventions for code block indentation, comments describing methods/classes, white space between code blocks, and variable/method/class naming conventions Allow the user to input their weight for the earth weight to moon weight conversion problem. Add an if statement that prompts the user if she inputs 0 or a negative number for her earth weight. Add single and multi-line comments to your code so that people looking into your program understand the things you are attempting to do with each section of code Use Object oriented Design (OOP), Use Constructors, Parameters, and arguments as needed. Create 1 method that sets the value for weight write a program that has 4 methods that will return the weight conversions for the following. 1 method will convert Weight on Earth's Moon 1 method will convert Weight on Mars 1 method will convert Weight on Venus 1 method will convert Weight on Mercury Create a menu that gives the user choice of conversion