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 5 10 25 63 4 56 28 14 78 45 >>> print first 5 >>> print last 45 >>> print 3 25 >>> print 10 45 >>> swap 5 7 >>> display 5 10 25 63 28 56 4 14 78 45 >>> swap 1 10 >>> display 45 10 25 63 28 56 4 14 78 5 >>> 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 >>> shownumbers ### Unrecognizable command: shownumbers >>> display 100 45 10 25 63 28 56 4 14 78 5 200 >>> exit