For Loops in Scala in Scala

A for loop is a special type of loop in Scala which allows us to loop over the items of a collection, such as an array.

Looping through an array:

For example, an array is a sequence of items, so we can use a for loop to iterate over each item and do something with it:

val fruits = Array("banana", "orange", "pear", "kivi")

for (fruit <- fruits) {
  println("I eat " + fruit)
}

The output of this code is:

I eat banana
I eat orange
I eat pear
I eat kivi

Let's break down this code:

• The for keyword that indicates the start of a for loop.
• fruit is the loop variable. It will take the value of each different item in the collection
• The <- separates the loop variable from the collection we will iterate on
• fruits is the collection to loop over

Assignment
Now let's greet our friends using a for loop!

Hint
Look at the examples above if you get stuck.