即時類toString()方法 (Instant Class toString() method)

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

  toString()方法在java.time包中可用。

• toString() method is used to represent this Instant as a String by using the standards ISO-8601 format.

  toString()方法用于通過使用標準ISO-8601格式將此Instant表示為String。

• toString() 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.

  toString()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。

• toString() method does not throw an exception at the time of representing this object as a string.

  在將此對象表示為字符串時， toString()方法不會引發異常。

Syntax:

句法：

public String toString();

Parameter(s):

參數：

• None

  沒有

Return value:

返回值：

The return type of this method is String, it represents this Instant as a String by using ISO-8601 standards format.

此方法的返回類型為String ，它通過使用ISO-8601標準格式將該Instant表示為String。

Example:

例：

// Java program to demonstrate the example // of String toString() method // of Instantimport java.time.*;public class ToStringOfInstant {public static void main(String args[]) {// Instantiates two InstantInstant ins1 = Instant.parse("2006-04-03T05:10:15.00Z");Instant ins2 = Instant.now();// Display ins1,ins2 System.out.println("Instant ins1 and ins2: ");System.out.println("ins1: " + ins1);System.out.println("ins2: " + ins2);System.out.println();// Here, this method toString()// represents this Instant ins1 // as a StringString to_string = ins1.toString();// Display to_stringSystem.out.println("ins1.toString(): " + to_string);// Here, this method toString()// represents this Instant ins2 // as a Stringto_string = ins2.toString();// Display to_stringSystem.out.println("ins2.toString(): " + to_string);} }

Output

輸出量

Instant ins1 and ins2: ins1: 2006-04-03T05:10:15Z ins2: 2020-05-27T05:55:54.328647Zins1.toString(): 2006-04-03T05:10:15Z ins2.toString(): 2020-05-27T05:55:54.328647Z

翻譯自: https://www.includehelp.com/java/instant-tostring-method-with-example.aspx

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