Eager instantiation doesn’t require a null check for the object. Using enum is an effective and simple approach for eager instantiation. Rafael del Nero is a Java Champion and Oracle Ace ...

As long as you remember that the object is null! The reason that null pointer exceptions are so unpopular in Java is that they are runtime exceptions. That means the app will compile just fine and ...

How to avoid this RuntimeException in your Java programs? Initialize every object you create before you use it, and perform a null check on any object that an external library passes into your ...