Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    public static void main(String[] argv) {
        System.out.println(firstTimeOfMonth(new Date()));
    }

    public static Date firstTimeOfMonth(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.set(Calendar.DAY_OF_MONTH, cal.getActualMinimum(Calendar.DAY_OF_MONTH));
        cal.set(Calendar.HOUR_OF_DAY, cal.getActualMinimum(Calendar.HOUR_OF_DAY));
        cal.set(Calendar.MINUTE, cal.getActualMinimum(Calendar.MINUTE));
        cal.set(Calendar.SECOND, cal.getActualMinimum(Calendar.SECOND));
        cal.set(Calendar.MILLISECOND, cal.getActualMinimum(Calendar.MILLISECOND));
        return cal.getTime();
    }
}