Java Calendar getGreatestMinimum() 方法

2024年11月3日 | 阅读 2 分钟

java.util.Calendar 类的 getGreatestMinimum() 方法是一个抽象方法。此方法返回传递的 Calendar 字段的所有最小值的最大值（即最高最小值）。

语法

参数

field - 此方法接受 Calendar 字段作为参数。

返回值

返回一个整数值，该值是所有最小值的最大值，即返回传递的 Calendar 字段的最高最小值。

抛出

不抛出异常

示例 1

import java.util.*;
public class JavaCalendargetGreatestMinimumExample1 extends GregorianCalendar {
   public static void main(String[] args) {

      // create a calendar    
      Calendar mycal = new GregorianCalendar(1996, 10, 23);
      
      System.out.println(" Date :" + mycal.getTime() );

      // print the greatest min. for year field
      int outp1 = mycal.getGreatestMinimum(Calendar.YEAR);
      System.out.println("The minimum (Year) is: " + outp1);
      
       int outp2 = mycal.getGreatestMinimum(Calendar.MONTH);
      System.out.println("The minimum (Month)  is: " + outp2);
      
       int outp3 = mycal.getGreatestMinimum(Calendar.DAY_OF_WEEK);
      System.out.println("The minimum (Day) is: " + outp3);
   }
}

输出

Date :Sat Nov 23 00:00:00 PST 1996
The minimum (Year) is: 1
The minimum (Month)  is: 0
The minimum (Day) is: 1

示例 2

import java.util.*;
public class JavaCalendargetGreatestMinimumExample2  {
   public static void main(String[] args) {

      // create a calendar    
      Calendar mycal = Calendar.getInstance();
      
      System.out.println(" Date :" + mycal.getTime() );
      
      int outp1 = mycal.getGreatestMinimum(Calendar.YEAR);
      System.out.println("The minimum (Year) is: " + outp1);
      
       int outp2 = mycal.getGreatestMinimum(Calendar.MONTH);
      System.out.println("The minimum (Month)  is: " + outp2);
      
       int outp3 = mycal.getGreatestMinimum(Calendar.DAY_OF_WEEK);
      System.out.println("The minimum (Day) is: " + outp3);

      
      mycal.add(Calendar.YEAR, 2020);
       mycal.add(Calendar.MONTH, 9);
        mycal.add(Calendar.DAY_OF_WEEK, 23);
      
         System.out.println(" Date :" + mycal.getTime() );
      int outp11 = mycal.getGreatestMinimum(Calendar.YEAR);
      System.out.println("The minimum (Year) is: " + outp11);
      
       int outp21 = mycal.getGreatestMinimum(Calendar.MONTH);
      System.out.println("The minimum (Month)  is: " + outp21);
      
       int outp31 = mycal.getGreatestMinimum(Calendar.DAY_OF_WEEK);
      System.out.println("The minimum (Day) is: " + outp31);
   }
}

输出

Date :Sat Aug 04 14:36:36 PDT 2018
The minimum (Year) is: 1
The minimum (Month)  is: 0
The minimum (Day) is: 1
 
Date :Fri May 27 14:36:36 PDT 4039
The minimum (Year) is: 1
The minimum (Month)  is: 0
The minimum (Day) is: 1

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Java Calendar getGreatestMinimum() 方法

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Java Calendar getGreatestMinimum() 方法

语法

参数

返回值

抛出

示例 1

示例 2

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