The following text was written to the standard output stream when the WordListDemo.html program was executed from IntelliJ.
>>> display ancient pyramid mathematics integral book chapter french language civilization medical bear paw >>> add LAST pharaoh >>> display ancient pyramid mathematics integral book chapter french language civilization medical bear paw pharaoh >>> swap 1 10 >>> display medical pyramid mathematics integral book chapter french language civilization ancient bear paw pharaoh >>> 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 >>> add 10 ### invalid operand for add command >>> exit Process finished with exit code 0