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Optional toString() method in Java with examples

Last Updated : 12 Jul, 2025
The toString() method of java.util.Optional class in Java is used to get the string representation of this Optional instance. Syntax: 
public String toString()
Parameters: This method accepts nothing. Return value: This method returns the string representation of this Optional instance. Below programs illustrate toString() method: Program 1:
Output: 
String Representation: Optional[452146]
Program 2:
Output: 
String Representation: Optional.empty
References: https://docs.oracle.com/javase/9/docs/api/java/util/Optional.html#toString--
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