In this post, we will see how to resolve Java Spring: service and controller class error handling – best practices? Question: I have the following code in my Spring service class where I iterate convert a json array node to ...

Question: Joshua Bloch in “Effective Java” said that Use checked exceptions for recoverable conditions and runtime exceptions for programming errors (Item 58 in 2nd edition) Let’s see if I understand this correctly. Here is my understanding of a checked exception: ...

Question: I am new to Java, I read that checked exception get raised during compile time only i.e. program will not compile successfully if there is a checked exception which is not handled or thrown. If something is preventing a ...

Question: This is the block of code inside the boolean method that I want to check if there are any empty or null fields. It returns true if none of them are. If they are, it throws a custom exception ...