Calendar java util return the wrong month [duplicate]

问题

i'm trying to make GUI that allowed people to save there shifts in a calendar. i'm trying to build my calendar using import java.uti.Calendar. during trying to print the Month it bring me back the current month 10 instead of 11 , any suggestions?

package hours_report;
import hours_report.MyPanel.MyActionListener;

import java.util.Calendar;
import java.util.Date;

public class MyCalendar {

    private Calendar MyCurrentTime;
    private int currentMonth;


public MyCalendar()
{
    this.MyCurrentTime = Calendar.getInstance();
}

public Date getDate()
{
    return MyCurrentTime.getTime();

}

public int getMonth()
{
    currentMonth = MyCurrentTime.get(MyCurrentTime.MONTH);
    return currentMonth;
}
}


package hours_report;
import javax.swing.*;

public class Tester {

    public static void main(String[] args)
    {
        JFrame frame = new JFrame("Hours Report MI QA");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(600,700);
        MyPanel p = new MyPanel();
        frame.add(p);
        MyCalendar cal = new MyCalendar();
        System.out.println(cal.getDate());
        System.out.println(cal.getMonth());
        frame.setVisible(true);
    }
}

回答1:

Months are indexed from 0 not 1 so 10 is November and 11 will be December.

From: Calendar returns wrong month

回答2:

The Java Calendar class numbers months from 0 (Jan) to 11 (Dec). You will have to convert this to the conventional 1-12 numbering if that's what you require.

来源：https://stackoverflow.com/questions/27036702/calendar-java-util-return-the-wrong-month

标签

java

user-interface

calendar