The following text was written to the standard output stream when the NumberList.java program was executed from IntelliJ.
>>> 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 >>> display 23 11 7 74 15 79 41 59 17 90 60 6 >>> print first 23 >>> print last 6 >>> print 3 7 >>> print 5 15 >>> swap 5 7 >>> display 23 11 7 74 41 79 15 59 17 90 60 6 >>> swap 10 11 >>> display 23 11 7 74 41 79 15 59 17 60 90 6 >>> 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 first 100 >>> add last 200 >>> kj ### Unrecognizable command: kj >>> display 100 23 11 7 74 41 79 15 59 17 60 90 6 200 >>> exit