OptionalInt orElseGet() method in Java with examples
The orElseGet(java.util.function.IntSupplier) method helps us to get the value in this OptionalInt object. If a value is not present in this OptionalInt, then this method returns the result produced by the supplying function, passed as the parameter
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public int orElseGet(IntSupplier supplier)
Parameters: This method accepts the supplying function that produces a value to be returned.
Return value: This method returns the int value, if present, otherwise the result produced by the supplying function.
Exception: This method throw NullPointerException if no value is present and the supplying function is null.
Below programs illustrate orElseGet(java.util.function.IntSupplier) method: