How to get the number of days in a particular month of a particular year in Java

Especially in English-speaking countries, the use of the calendar is very common. The calculation and conversion are done with the class LocalDate in Java 8 and with Calendar in Java before version 8.

Let’s see how we can get the number of days in a particular month of a particular year in java by using the Calendar class:

//Get the number of days in a month 
public static int getDaysOfMonth(int year, int month)
{
    Calendar cal = Calendar.getInstance();
    cal.set(Calendar.YEAR, year);
    cal.set(Calendar.MONTH, month-1);
    int days_of_month = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
    
    return days_of_month;
}

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