The following text was written to the standard output stream when the TheNumberList.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 16 32 3 12 72 31 11 33 10 4 8 1 17 20 >>> print first 5 >>> print last 20 >>> print 3 32 >>> print 12 8 >>> swap 5 7 >>> display 5 16 32 3 31 72 12 11 33 10 4 8 1 17 20 >>> swap 1 15 >>> display 20 16 32 3 31 72 12 11 33 10 4 8 1 17 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 >>> show ### Unrecognizable command: show >>> display 100 20 16 32 3 31 72 12 11 33 10 4 8 1 17 5 200 >>> exit