Draft JEP 8303099 was recently made public. This JEP discusses Null-Restricted and Nullable Types, and aims to bring optional nullness-marking to the Java language, in a similar way to that seen ...

Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting message to receive, but it can be just ...

ERROR: NullPointerException encountered while trying to adding String to Deque that is set to null. java.lang.NullPointerException INFO: Successful at adding String to Deque that is set to null ...

Currently, in the pure Java space, most current projects approach nullability by treating the null status as extra information to be processed via a build-time checker (static analysis) tool.

The Java array’s length property does not return the number of non-null elements in the array. The Java array length represents the array’s total potential size, not just the number of elements that ...

Quickly learn how to use the Java ternary operator and see how this simple programming construct can help make your conditional logic, if statements and return statements clearer and more concise.