Thread: Java program inputting month name and outputting month number and number of days

I need to write a program in java that asks the user to enter the name of a month. Then, using this string and switch statements, I need to output the integer value of that month. For example, if September is entered, it will output 9. There can only be one println() statement for the output string however.

I then need to expand on that program to also tell the user the number of days in the month they've entered. I am supposed to use if-else/else-if statements to do this.

I know this isn't right but this is what I have so far...

import java.util.Scanner;
public class Month {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		System.out.print("Enter a month: ");
		monthName = input.nextInt();
		switch (monthName) {
		case "January": month = 1; break;
		case "February": month = 2; break;
		case "March": month = 3; break;
		case "April": month = 4; break;
		case "May": month = 5; break;
		case "June": month = 6; break;
		case "July": month = 7; break;
		case "August": month = 8; break;
		case "September": month = 9; break;
		case "October": month = 10; break;
		case "November": month = 11; break;
		case "December": month = 12; break;
 
		}
	System.out.println(month);
		}
 
	}

I was just hoping somebody could point me in the right direction from here...

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Originally Posted by asundar

The problem is that monthName is an int, as you inputed. Then, with the switch/case method, you enter it as a string.

That is correct.

Originally Posted by asundar

It has to be one or the other, but not both. Personally, what I did was that I just made monthName an integer and did case(1,2,3,etc). Then, what you could do is enter the days in that case, such as when monthName is 1, days=31. It makes your life easier.

OR what you can do is that you could enter month as an integer, and switch month. What you then do is name the monthName inside the case. As in, in case(1): monthName="January";days=31;

His instructions say otherwise.

You are expected to switch over a String, your variable monthName must get, and hold, a String. You should also consider what will happen if I type august instead of August, and again if i type auguts. You can search the keyword default and possibly see more uses of switch case

Does your instructor specify that the month integer value has to be a variable, and can't just be entered manually by you? IE:

...

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