CS1 Standard Demo Page

The following text was written to the standard output stream when the NumberListDemo.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
20
15
60
12
5
8
19
100
30
62
98
500
14
80
79
>>> print first
20
>>> print last
79
>>> print 3
60
>>> print 10
62
>>> swap 5 7
>>> display
20
15
60
12
19
8
5
100
30
62
98
500
14
80
79
>>> swap 1 10
>>> display
62
15
60
12
19
8
5
100
30
20
98
500
14
80
79
>>> 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
>>> display
100
62
15
60
12
19
8
5
100
30
20
98
500
14
80
79
>>> add last 200
>>> shownumbers
### Unrecognizable command: shownumbers
>>> display
100
62
15
60
12
19
8
5
100
30
20
98
500
14
80
79
200
>>> exit