🧑‍Define a method to find out if a number is prime or not., Introduction In this program we are going to solve a problem called prime number using method/function in java. And we...

Let's use Optional to fix our method contract., A method is a contract; when we define one, we put our thoughts into it. We specify the parameters with their type and also a return...

Effective Java! Design Method Signatures Carefully, Effective Java Review (90 Part Series) 1 Effective Java Tuesday! Let's Consider Static Factory Methods 2 Effective Java Tuesday!...

Effective Java! Check Parameters for Validity, Effective Java Review (90 Part Series) 1 Effective Java Tuesday! Let's Consider Static Factory Methods 2 Effective Java Tuesday! The ...