LocalDate類lengthOfYear()方法 (LocalDate Class lengthOfYear() method)

• lengthOfYear() method is available in java.time package.

  lengthOfYear()方法在java.time包中可用。

• lengthOfYear() method is used to get the length of the year represented by this LocalDate.

  lengthOfYear()方法用于獲取此LocalDate表示的年份的長度。

  length of year = No. of days in a year [i.e. 1 to 365 (for a non-leap year) or 366 (for leap year)].

  年的長度=一年中的天數[即1到365(對于非-年)或366(對于leap年)]。

• lengthOfYear() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.

  lengthOfYear()方法是一種非靜態方法，只能通過類對象訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。

• lengthOfYear() method does not throw an exception at the time of returning length.

  lengthOfYear()方法在返回length時不會引發異常。

Syntax:

句法：

public int lengthOfYear();

Parameter(s):

參數：

• None

  沒有

Return value:

返回值：

The return type of this method is int, it returns the length of year denoted by this object.

此方法的返回類型為int ，它返回此對象表示的年長度。

Example:

例：

// Java program to demonstrate the example // of int lengthOfYear() method of LocalDateimport java.time.*;public class LengthOfYearOfLocalDate {public static void main(String args[]) {// Instantiates three LocalDateLocalDate l_da1 = LocalDate.parse("2007-04-04");LocalDate l_da2 = LocalDate.now();LocalDate l_da3 = LocalDate.of(2008, Month.FEBRUARY, 06);// Display l_da1,l_da2 and l_da3System.out.println("LocalDate l_da1,l_da2 and l_da3: ");System.out.println("l_da1: " + l_da1);System.out.println("l_da2: " + l_da2);System.out.println("l_da3: " + l_da3);System.out.println();// Here, this method returns the length// of year represented by this date// l_da1 i.e. here l_da1 = "2007-04-04"// then number of days in the year 2007 is// 365 i.e. length = 365int length = l_da1.lengthOfYear();// Display lengthSystem.out.println("l_da1.lengthOfYear(): " + length);// Here, this method returns the length of// year represented by this date// l_da2 i.e. here l_da2 = "2020-05-08" // then number of days in the year 2020// is 366 i.e. length = 366length = l_da2.lengthOfYear();// Display lengthSystem.out.println("l_da2.lengthOfYear(): " + length);// Here, this method returns the length of// year represented by this date// l_da3 i.e. here l_da3 = "2008-02-06" // then number of days in the year 2008 // is 366 i.e. length = 366length = l_da3.lengthOfYear();// Display lengthSystem.out.println("l_da3.lengthOfYear(): " + length);} }

Output

輸出量

LocalDate l_da1,l_da2 and l_da3: l_da1: 2007-04-04 l_da2: 2020-06-02 l_da3: 2008-02-06l_da1.lengthOfYear(): 365 l_da2.lengthOfYear(): 366 l_da3.lengthOfYear(): 366

翻譯自: https://www.includehelp.com/java/localdate-lengthofyear-method-with-example.aspx

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