OptionalDouble 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 OptionalDouble.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:
import java.util.OptionalDouble;
public class GFG {
public static void main(String[] args)
{
OptionalDouble opDouble
= OptionalDouble.of(. 3203 );
String value = opDouble.toString();
System.out.print( "Value: " + value);
}
}
|
Output:
Value: OptionalDouble[0.3203]
Program 2:
import java.util.OptionalDouble;
public class GFG {
public static void main(String[] args)
{
OptionalDouble opDouble
= OptionalDouble.empty();
String value = opDouble.toString();
System.out.print( "Value: " + value);
}
}
|
Output:
Value: OptionalDouble.empty
References: https://docs.oracle.com/javase/10/docs/api/java/util/OptionalDouble.html#toString()
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