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

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

  hashCode()方法在java.time包中可用。

• hashCode() method is used to get the hash code value for this Instant.

  hashCode()方法用于獲取此Instant的哈希碼值。

• hashCode() 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.

  hashCode()方法是一個非靜態方法，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。

• hashCode() method does not throw an exception at the time of returning hash code.

  hashCode()方法在返回哈希碼時不會引發異常。

Syntax:

句法：

public int hashCode();

Parameter(s):

參數：

• None

  沒有

Return value:

返回值：

The return type of this method is int, it retrieves this Instant hash code value.

此方法的返回類型為int ，它檢索此Instant哈希碼值。

Example:

例：

// Java program to demonstrate the example // of int hashCode() method of Instantimport java.time.*;public class HashCodeOfInstant {public static void main(String args[]) {// Instantiates two InstantInstant ins1 = Instant.parse("2006-04-03T05:10:15.00Z");Instant ins2 = Instant.now();// Display ins1,ins2System.out.println("Instant ins1 and ins2: ");System.out.println("ins1: " + ins1);System.out.println("ins2: " + ins2);System.out.println();// Here, this method returns the// hash code value for this Instant // ins1int hash_code = ins1.hashCode();// Display hash_codeSystem.out.println("ins1.hashCode(): " + hash_code);// Here, this method returns the // hash code value for this Instant // ins2hash_code = ins2.hashCode();// Display hash_codeSystem.out.println("ins2.hashCode(): " + hash_code);} }

Output

輸出量

Instant ins1 and ins2: ins1: 2006-04-03T05:10:15Z ins2: 2020-05-25T22:31:42.903028Zins1.hashCode(): 1144041015 ins2.hashCode(): 400233646

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

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