The output from both examples looks like this: ERROR: NullPointerException encountered while trying to adding String to Deque that is set to null. java.lang.NullPointerException ...

An object can be created from a class with a meaningful name. For example, FileNotFoundException (in the java.io package) is more meaningful than 6. Objects can store context in various fields.

Benefits of the Java String printf method The Java String printf method can be confusing at first, but it greatly simplifies how you format complex Strings. This is especially true when creating ...