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I NEED HELP WITH THIS QUESTION

PROGRAMMING LANGUAGE : JAVA

I HAVE CODES FOR MAKING A GUI FOR PHONEBOOK. BUT I COULDN'T DO THE GUI.

THE GUI SHOULD LOOK LIKE THIS :

USER WILL WRITE NAME, SURNAME AND PHONE AND PRESS "ADD" BUTTON AND IT SHOULD LOOK LIKE THIS FOR EXAMPLE:

WHEN USER PRESS "Z- A" BUTTON IT SHOULD LOOK LIKE THIS FOR EXAMPLE:

ALL THE CODES DOWN HERE. BUT I DON'T KNOW GUI. SO PLEASE HELP ME!!!

"ADD" BUTTON SHOULD DO ADDING PERSONS IN ORDER TO THEIR NAMES

"REMOVE" BUTTON SHOULD DO REMOVING PERSONS

"A - Z" BUTTON SHOULD PRINT PERSONS IN ASCENDING ALPHABETICAL ORDER

"Z-A" BUTTON SHOULD DO PRINT PERSONS IN DESCENDING ALPHABETICAL ORDER

PLEASE CAN YOU HELP ME? CAN YOU DO THE GUI WITH THIS CODES ABOVE?

Name Surname Phone Add Remove A- Z Name Surname Phone Add Remove A- Z