Keyboard Input year month day, processing output next day (end of month, end of year, leap year)

Package test1;

Import java. text. SimpleDateFormat;
Import java. util. Calendar;
Import java. util. Date;
Import java. util. collections;
Import java. util. Vector;

 

Public class test {

Public static void main (String args []) throws Exception {

Pipeline SC = new pipeline (System. in );
String date = SC. next ();
String [] date1 = date. split ("-");
Vector <Integer> v = new Vector <> ();
For (int I = 0; I <date1.length; I ++ ){
V. add (Integer. parseInt (date1 [I]);
}
Int year = v. get (0 );
Int month = v. get (1 );
Int day = v. get (2 );

System. out. println ("Before calculation" + year + "" + month + "" + day );
If (month = 1 | month = 3 | month = 5 | month = 7 | month = 8 | month = 10 | month = = 12) {
If (month = 12 & day = 31 ){
Year = year + 1;
Month = 1;
Day = 1;
Return;
} Else if (day = 31 ){
Month = month + 1;
Day = 1;
Return;
} Else {
Day = day + 1;
}

} Else {

If (year % 4 = 0 & amp; year % 100! = 0) | year % 400 = 0 ){

If (month = 2 & day = 29 ){
Month = month + 1;
Day = 1;
} Else if (day = 30 ){
Month = month + 1;
Day = 1;
Return;
} Else {
Day = day + 1;
}

} Else {
If (day = 30 ){
Month = month + 1;
Day = 1;
Return;
} Else if (month = 2 & day = 28 ){
Month = month + 1;
Day = 1;
} Else {
Day = day + 1;
}
}
}
System. out. println (year + "" + month + "" + day );
}
}