The flashcards below were created by user dalbabes on FreezingBlue Flashcards.

  1. An array has what symbol in front of it?
  2. Declare an array Brinkman and name all the children
    @Brinkman = ("Cassie", "Ethan", "Owen");
  3. @Brinkman = ("Cassie", "Ethan", "Owen") - what it @Brinkman[2]?
    Owen ... we start with 0 not 1.
  4. Pull the last variable in an an array
    pop() as in $lastvalue = pop(@brinkman);
  5. add variables to the end of array using what function?
    push as in push(@brinkman, "Melony"); makes "Cassie", "Ethan", "Owen", "melony";
  6. Add to the beginning of array function
    unshift(@Brinkman, "melony"); makes "melony", "Cassie", "Ethan", "Owen"
  7. pull the first value from an array
    shift(@brinkman) extracts from the array ("Cassie", "Ethan", "Owen") the result "Cassie"
  8. flip the order of an array
    reverse(@brinkman) flips ("Cassie", "Ethan", "Owen") to ("Owen", "Ethan", "Cassie")
  9. What is a hash?
    a type of variable that has a name instead of a letter to mark it's variables. key - value pairs
  10. hash arrays use what symbols to start the array
    % as in %brinkman
  11. Create a hash array
    %officers = ("president","scott","CEO","kendell","secretary","trish");
  12. View all the keys from a hash array
  13. view all the values from a hash array
  14. delete a variable in a hash array
    delete $officers{"VP"}; as in $hashname {"keyname"};
Card Set
Oreilly school of tech
Show Answers