The following text was written to the standard output stream when the NumberList program was executed from IntelliJ.
>>> diplay ### Unrecognizable command: diplay >>> display 2 9 15 36 4 78 8 14 18 56 90 75 7 45 >>> print first 2 >>> print last 45 >>> print 3 15 >>> print 11 90 >>> swap 5 7 >>> display 2 9 15 36 8 78 4 14 18 56 90 75 7 45 >>> 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 200 >>> add last 100 >>> shownumbers ### Unrecognizable command: shownumbers >>> display 200 2 9 15 36 8 78 4 14 18 56 90 75 7 45 100 >>> exit Process finished with exit code 0