The following text was written to the standard output stream when the WordList1.java program was executed from IntelliJ.
>>> display dog cat beaver hamster sloth elephant cow pig parrot dolphin frog lion rabbit crocodile worm >>> add last 5 >>> display dog cat beaver hamster sloth elephant cow pig parrot dolphin frog lion rabbit crocodile worm 5 >>> add first bat >>> display bat dog cat beaver hamster sloth elephant cow pig parrot dolphin frog lion rabbit crocodile worm 5 >>> swap 2 4 >>> display bat beaver cat dog hamster sloth elephant cow pig parrot dolphin frog lion rabbit crocodile worm 5 >>> print 4 dog >>> help HELP - display a menu of commands DISPLAY - display the list of numbers PRINT - print a number (FIRST;LAST;nth) SWAP - exchange two elements (nth;mth) ADD - add a number to the list (FIRST;LAST) EXIT - terminate execution of the program >>> exit Process finished with exit code 0