Exception

Hey, Tea Lovers! Today we will talk about the Optional class in Java 8. But before that, Did you know that Tony Hoare, The inventor of the null reference, has said that the null reference is his “Billion Dollar Mistake”? Since NullPointerException is the most common and frequently appeared error compared to others, especially for Java developers. I have seen people wrapping each code block in a try-catch to handle this sneaky fool. That’s how much we are scared of this exception. ...