1. Implementation of a list of names :
a) An [url removed, login to view] page that contains 4 buttons with the following labels :
- Insert name
- Delete name
- Sort names
- View name
b) When the user presses the button "Insert name" will get a window where you enter a name. When the user presses OK the name will be recorded at the end of a list type array. If the name is already in the list then you will receive an error message and will not be registered in the name list -array.
c) When the user presses the button "Delete name" will get a window where you enter a name. When the user presses OK will be found the name in the list and will be deleted. If the name does not exist it will display an error message .
d) When the user presses the button "Sort names" then ordered that the names registered in list -array.
e) When the user presses the button "View names" then you will see a new window -browser where to display the names of the list in a list.
• Caution : The user has the right to use these actions (ie , to press the button) multiple times .
a. It takes as input a string.
b. Will examine whether the string contains spaces . Even if it contains a space or is itself an empty string then it will print "Invalid String!".
c. It divides the string in two and they will print the two strings with just two spaces between them.
d. It executes the step (c) recursively until all printed characters of string with gaps within 2 to one another.
The function should be implemented with recursion.
Note: if the string has an odd number of characters (ie , 1,3,5 , ... ), then the middle will cling to the second string ( particularly if the string S has n characters , where n is an odd number , then divide the S will give two strings A and B , wherein A includes the first ((n-1) / 2) of characters S and B will have the remaining ) .
Execution Example ( with _ symbolized gaps in performance below ) :
Input string: Christodoulos
christ __ odoulos
chr_ _ist_ _odo_ _ulos
c_ _hr_ _i_ _st_ _o_ _do_ _ul_ _os
c_ _h_ _r_ _i_ _s_ _t_ _o_ _d_ _o_ _u_ _l_ _o_ _s
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