CODEWITHSUNDEEP
loopsarraylistprocessing
Mehedi Abdullah
Mehedi Abdullah

Reputation: 838

what is this loop doing?

void draw() {
  background(13);

  for (Line ml : middleLines) {//what kind of loop this is?
   ml.drawLine();
   ml.update();
}

what is this for loop doing can't undertstand.Can any-one help me?

Upvotes: 0

Views: 47

Answers (2)

Kevin Workman
Kevin Workman

Reputation: 42176

Lufritz's answer is correct, but I wanted to encourage you to Google this type of question.

Googling for loop colon returns a ton of results, including:

If you ever see syntax you're not sure about, just Google that syntax. You'll find a ton of tutorials online, which should always be your first stop.

Upvotes: 1

Lukas Würzburger
Lukas Würzburger

Reputation: 6673

This is a for-each loop. It iterates over every element in the given array. It is basically the same as this:

for (i = 0; i < middleLines.count; i++) {
    Line ml = middleLines[i];
    ml.drawLine();
    ml.update();
}

If you have to go over every element use for-each. It just saves lines of code.

Upvotes: 0

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