Calendar common methods

package itheima_02;

import java.util.Calendar;

/public abstract void add (int field, int amount): According to calendar rules , Add or subtract the given calendar field... From the specified amount of time
public final void set (int year, int month, int date): Set the month, year and day of the current calendar /

public class CalendarDamo {
public static void main(String[] args) {
// Get calendar class object
Calendar c = Calendar.getInstance();

        //public int get(int field)： Returns the value of the given calendar field 

// int year = c.get(Calendar.YEAR);
// int month = c.get(Calendar.MONTH) + 1;
// int date = c.get(Calendar.DATE);
// System.out.println(year + “ year ” + month + “ month ” + date + “ Japan ”);

        //public  abstract void add (int field, int amount):  According to calendar rules ,  Add or subtract the given calendar field... From the specified amount of time 
        // demand 1:3 Years ago today 

// c.add(Calendar.YEAR,-3);
//
// int year = c.get(Calendar.YEAR);
// int month = c.get(Calendar.MONTH) + 1;
// int date = c.get(Calendar.DATE);
// System.out.println(year + “ year ” + month + “ month ” + date + “ Japan ”);

        // demand 2:10 Years later, 5 Days ago, 

// c.add(Calendar.YEAR,10);
// c.add(Calendar.DATE, -5);
//
// int year = c.get(Calendar.YEAR);
// int month = c.get(Calendar.MONTH) + 1;
// int date = c.get(Calendar.DATE);
// System.out.println(year + “ year ” + month + “ month ” + date + “ Japan ”);

      //  public final void set (int year, int month, int date): Set the month, year and day of the current calendar 
        c.set(2048,11,11);

        int year = c.get(Calendar.YEAR);
        int month = c.get(Calendar.MONTH) + 1;
        int date = c.get(Calendar.DATE);
        System.out.println(year + " year " + month + " month " + date + " Japan ");
    }
}