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what is wrapper function and how to use it?

For my homework, I am required to use a function called wrapper function to validate the parameter for a recursive function, which I don’t understand what it means. All i understand from wrapper function is it does nothing but just wraps around a function eg: I dont even know if the code above is the co…

How to throw an Exception in a Consumer Java 8

Is there any way to throw an Exception while using a consumer in java 8? For example: This gives me a compiler error saying: Unhandled exception type Exception What is the correct way to throw an exception in this case? Answer Since Exception and its subclass (other than RuntimeException) are checked Exceptio…

Java: Conditional Statement and relational Operators

I am struggling with the following task created by Jetbrains: Given three natural numbers A, B, C. Determine if a triangle with these sides can exist. If the triangle exists, output the YES string, and otherwise, output NO. A triangle is valid if the sum of its two sides is greater than the third side. If thr…

Is it a bug in Selenium documentation?

Here is the snippet from the new Selenium doc on Waits: When I paste this code, it gives me an error on the Duration: The constructor WebDriverWait(WebDriver, Duration) is undefined It still works with the following syntax: Is it the documentation bug? Answer As I wrote in the original question, the code abov…