The result is code that is more concise and readable, has fewer errors ... with null values in switch expressions, deconstructing nested records, and streamlining code with type inference, variables ...

Initialize every object you create before you use it, and perform a null check ... to bug-free code is an awareness of the most common types of runtime errors in Java, along with the knowledge of how ...

Null pointer exception is an “exception” (error) that is particularly ... an address and a pointer. An example is String. This is not a primitive type in Java, but rather a reference type ...