The following text was written to the standard output stream when the ShippingContainer.java program was executed from IntelliJ.
display 30 5 10 20 14 3 7 33 17 2 6 5 35 8 15 >>> print first 30 >>> swap 3 5 >>> display 30 5 14 20 10 3 7 33 17 2 6 5 35 8 15 >>> 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 >>> exit