Java Calendar get() 方法

2024年11月3日 | 阅读 2 分钟

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

参数

以参数形式传递的日历的任何字段。

返回值

作为参数传递的字段的整数形式的返回值。

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

下一主题Java-calendar-getminimaldaysinfirstweek-method

Java Calendar get() 方法

语法

参数

返回值

抛出

示例 1

示例 2

示例 3

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Java Calendar

Java Calendar get() 方法

语法

参数

返回值

抛出

示例 1

示例 2

示例 3

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