The following text was written to the standard output stream when the NumberList.java program was executed from IntelliJ.
>>> display 1 3 5 6 7 8 55 33 4 2 50 25 >>> print first 1 >>> print last 25 >>> print 3 5 >>> print 10 2 >>> swap 5 7 >>> display 1 3 5 6 55 8 7 33 4 2 50 25 >>> swap 1 12 >>> display 25 3 5 6 55 8 7 33 4 2 50 1 >>> 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 25 3 5 6 55 8 7 33 4 2 50 1 200 >>> exit Process finished with exit code 0