Question

Can someone walk through this problem with as much explanation as possible.

Thank you

import java.io.*;
import java.util.Scanner;

class Lesson_32_Activity_One
{
    public static void monthName(int m)
    {

        //Use if statements to check for each month individually.
        //Alternatively, students may create a String array and use
        //the variable m to access the month, as in the following commented out code.
        /*
         * String [] months = {"January", "February", "March", "April", "May",
     *                      "June", "July", "August", "September", "October",
     *                      "November", "December"};
     * return months[m - 1];
     */
         if (m == 1)
            System.out.println("January");
        if (m == 2)
            System.out.println("February");
        if (m == 3)
            System.out.println("March");
        if (m ==4)
            System.out.println("April");
        if (m == 5)
            System.out.println("May");
        if (m == 6)
            System.out.println("June");
        if (m == 7)
            System.out.println("July");
        if (m == 8)
            System.out.println("August");
        if (m == 9)
            System.out.println("September");
        if (m == 10)
            System.out.println("October");
        if (m == 11)
            System.out.println("November");
        if (m == 12)
            System.out.println("December");
    }

    //main method to test the program. This is not required by the code-runner,
    //but is an important step in writing new methods.
    public static void main(String [] args)
    {
        Scanner scan = new Scanner(System.in);

        System.out.println("Enter a month number:");

        int m = scan.nextInt();

        System.out.println("monthName(" + m + ") prints:");
        monthName(m);
    }
}

Answer 1

import java.util.Scanner;

/**
* This program reads a month number from the user
*
* and prints the respective month name in output 1 for January 2 February etc..
*
*/
public class Lesson_32_Activity_One
{
public static void monthName(int m)
{

//Use if statements to check for each month individually.
//Alternatively, students may create a String array and use
//the variable m to access the month, as in the following commented out code.
/*
* String [] months = {"January", "February", "March", "April", "May",
* "June", "July", "August", "September", "October",
* "November", "December"};
* return months[m - 1];
*/
   //using if condition to check like input is 1 than print January if 2 print February etc....
if (m == 1)
System.out.println("January");
if (m == 2)
System.out.println("February");
if (m == 3)
System.out.println("March");
if (m ==4)
System.out.println("April");
if (m == 5)
System.out.println("May");
if (m == 6)
System.out.println("June");
if (m == 7)
System.out.println("July");
if (m == 8)
System.out.println("August");
if (m == 9)
System.out.println("September");
if (m == 10)
System.out.println("October");
if (m == 11)
System.out.println("November");
if (m == 12)
System.out.println("December");
}

//main method to test the program. This is not required by the code-runner,
//but is an important step in writing new methods.
public static void main(String [] args)
{
Scanner scan = new Scanner(System.in);

//reading month number from user
System.out.println("Enter a month number:");

int m = scan.nextInt();
//printing the month name for the given number
System.out.println("monthName(" + m + ") prints:");
monthName(m);
}
}

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