Number of days in month

import java.util.Scanner;
class Chapter3_11NumberOfDaysInMonth {

    public static void main(String[] args) {
        Scanner kb = new Scanner(System.in);
        System.out.println("Enter a month and year.  1 for Jan, 2 for Feb, etc");

        // get user input
        int month = kb.nextInt();
        int year = kb.nextInt();
        int days = 0;   // I will need to know how many days, so I set this variable initially to 0.

        // use the isLeapYear we wrote to determine if the year is a leap year
        boolean isLeapYear = (year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0); // this will evalutate to true or fal


        if ( month == 1 ||month==3||month==5||month==7||month==8||month==10||month==12 ){
            days = 31;
        }
        else if (month==4||month==6||month==9||month==11){
            days = 30;
        }
        else if (month == 2){
            if (isLeapYear)
                days = 29;
            else
                days=28;
        }
        // use a switch statement to get the name of the month.  It's a cleaner if, else if, way to go about it.
        String name="";

        switch (month){
        case 1: name = "January";break;
        case 2: name = "February";break;
        case 3: name = "March";break;
        case 4: name = "April";break;
        case 5: name = "May";break;
        case 6: name = "June";break;
        case 7: name = "July";break;
        case 8: name = "August";break;
        case 9: name = "September";break;
        case 10: name = "October";break;
        case 11: name = "November";break;
        case 12: name = "December";break;
        }

        System.out.println( name + " "+ year + " has "+ days + " days.");

        }

    }