5 is an object that is an instance of the integer classtimes is a method of the 5 objecttimes is a method on an object that is an instance of integer
Alot of the time you will be using an array when you iterate over somethingAn array is just a list of items.Every spot in the list acts like a variable and you can make each spot point to a different objectW means wordsArray is a class, needs to start with capital letter
IRBif you go off the array it will be nil
join is cool because it makes a string for youshovel operatormultidimensional array
Does anyone know what a hash is? associative array collection of key-value pairskeys can be numbers or strings Difference from an Array
merge takes the value from the second hashmerge! changes h1
you would think that delete should need a bang to change the hash, but delete doesn’t exist with a bangdelete returns the value