Java Calendar get()方法
Calender类的get()方法返回传递给它的参数字段的值。像DAY_OF_MONTH，MONTH，YEAR，WEEK，WEEK_OF_YEAR等字段作为参数传递给此方法。
语法
public int get(int field)
参数
field: 日历的任何字段都作为参数传递。
返回
传递的返回值字段作为整数形式的参数。
抛出
ArrayIndexOutOfBoundsException
示例1
import java.util.Calendar;
public class CalendargetExample1 {
public static void main(String[] args) {
// creating a calendar named as cal1
Calendar cal1 = Calendar.getInstance();
// DATE field is passed as parameter to get method
System.out.println("Day of month is: " +
cal1.get(Calendar.DATE));
// MONTH field DATE field is passed as parameter to get method
System.out.println("Month of year is: " +
cal1.get(Calendar.MONTH));
// YEAR field DATE field is passed as parameter to get method
System.out.println("and year is : " +
cal1.get(Calendar.YEAR));
System.out.println("Today is "+cal1.get(Calendar.DATE) + " Day of " + cal1.get(Calendar.MONTH)
+ " Month of the year " + cal1.get(Calendar.YEAR) );
}
}
输出:
Day of month is: 2
Month of year is: 7
and year is : 2018
Today is 2 Day of 7 Month of the year 2018
示例2
import java.util.Calendar;
public class CalendargetExample2 {
public static void main(String[] args) {
// creating a calendar named as cal1
Calendar cal1 = Calendar.getInstance();
// HOUR field is passed as parameter to get method
System.out.println("Hour is : " +
cal1.get(Calendar.HOUR));
// MINUTE field DATE field is passed as parameter to get method
System.out.println("Minute is: " +
cal1.get(Calendar.MINUTE));
// SECOND field DATE field is passed as parameter to get method
System.out.println("Second is" +
cal1.get(Calendar.SECOND));
System.out.println("Time : "+cal1.get(Calendar.HOUR) + ":" + cal1.get(Calendar.MINUTE)
+ ":" + cal1.get(Calendar.SECOND) );
}
}
输出:
Hour is : 8
Minute is: 1
Second is1
Time : 8:1:1
示例3
import java.util.Calendar;
public class CalendargetExample3 {
public static void main(String[] args) {
// creating a calendar
Calendar cal1 = Calendar.getInstance();
// Print the value of Calendar
System.out.println("Date when objectt is created : " + cal1.getTime());
cal1.add((Calendar.MONTH), 10);
cal1.add((Calendar.YEAR), 2017);
cal1.add((Calendar.DAY_OF_MONTH), 23);
System.out.println("date after using add method : " + cal1.getTime());
System.out.println("HOUR : " +
cal1.get(Calendar.HOUR));
// print the value of MONTH field
System.out.println("MINUTE : " +
cal1.get(Calendar.MINUTE));
// print the value of YEAR field
System.out.println("SECOND : " +
cal1.get(Calendar.SECOND));
}
}
输出:
Date when objectt is created : Thu Aug 02 08:07:16 PDT 2018
date after using add method : Wed Jun 25 08:07:16 PDT 4036
HOUR : 8
MINUTE : 7
SECOND : 16
