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 Instant
import java.time.*;
public class ToStringOfInstant {
public static void main(String args[]) {
// Instantiates two Instant
Instant 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 String
String to_string = ins1.toString();
// Display to_string
System.out.println("ins1.toString(): " + to_string);
// Here, this method toString()
// represents this Instant ins2
// as a String
to_string = ins2.toString();
// Display to_string
System.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