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 ...

Java exception handling with stack traces, exception chaining, try-with-resources, final re-throw, and StackWalker.

Some exceptions in Java must be handled in the developer's code. Other exceptions can occur without any exception handling semantics at all. When an exception must be handled with try-and-catch ...