Java calendar displays year and month

import java.util.Scanner;

class CalendarMain
{
//Main function entrance
public static void main(String[] args)
{
System.out.println("****Please enter the date ( The format is: 2011-01)*****");
Scanner sc = new Scanner(System.in);
String ym = sc.next();
//Intercept string
String[] yearMonth = ym .split("-");
                                                                      ‐                                                                  Convert the string into an integer type        int year = Integer.parseInt(yearMonth [0]);       int month =    Integer.parseInt(yearMonth [1]);      (year);
           Month.fun(month,year); 
                                                                                                                                              Month.fun                                                                                       Month.fun (int Year) {
if (year & gt; 1990 && years & lt; 10000) {
while (year & gt; = 1990) {
if (year % 4 == 0 && year % 100! = 0 || (year % year % 400 ==0 )){
                                                                                                              System.out.println("Please enter the query year is greater than or equal to 1990!"); }
}

//Get the number of days in a month and the total number of days
class Month
{
Public static void fun(int month,int year){
int monthDay = 0;
Year y = new Year();
int days = y.leapYear + (year - 1990)*365;
                                                                                                                                                                                                                                                                               days                                                                                                                }
                                                                                                                   
                     days += i % 2 == 1                                                                                                                                                                                                                                                                                         year % 100 != 0 || (year % 400 ==0 )){
                                                                                                                     }else{
                          days += 28;                                                                                
           }
             Show.mothed(days,monthDay);
                                                                                                                                                System.out.println("Please enter the correct month!");
                                                                                                                                                                                          System.out.println(" One means starting from Monday
            int week = (days - monthDay) % 7 + 1;

        System.out.println("n Sunday" + "t Monday" + "t Tuesday" + "t Wednesday" +" t Thursday" + "t Friday" + "t Saturday"); .out.print(" "+"*"+"t");
                                                                                                                                                                                   . "t");                                                                                                                                if (i%7 == 0){
                            System.out.print(" n");