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OptionalInt toString() method in Java with examples

Last Updated : 28 May, 2019
The toString() method help us to get a non-empty string representation of this OptionalInt.This non-empty string representation is suitable for debugging. The exact presentation format is unspecified and may vary between implementations and versions. Syntax: 
public String toString()
Parameters: This method accepts nothing. Return value: This method returns the string representation of this instance. Below programs illustrate toString() method: Program 1:
Output: 
String Representation: OptionalInt[452146]
Program 2:
Output: 
String Representation: OptionalInt.empty
References: https://docs.oracle.com/javase/10/docs/api/java/util/OptionalInt.html#toString()
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