CODEWITHSUNDEEP
javaarraysfor-loop
Patrick Rottman
Patrick Rottman

Reputation: 13

JAVA for loop: all except a specified number

I need this for an array, but basically the idea is that a for loop will run, and whatever number you tell it to skip, it won't do. So for(int x=0; x<50; x++) if I want 1-50 except 22, how would I write that?

This would give me the ability to skip a certain number in my array.

Sorry if this is an extremely simple question, I am not too familiar with Java.

Upvotes: 0

Views: 908

Answers (2)

Mapsy
Mapsy

Reputation: 4272

public static final void doSkippedIteration(final int[] pArray, final int pSkipIndex) {

    for(int i = 0; i < pSkipindex; i++) {
        // Do something.
    }

    for(int i = pSkipIndex + 1; i < pArray.length; i++) {
        // Do something.
    }

}

You would have to do some basic check to see whether pIndex lies within the confines of the array. This saves you from having to perform a check for every single iteration, but does require you to duplicate your code in this specific example. You could of course avoid this by wrapping the code in a wider control block which handles the two iterations in a cleaner manner.

Upvotes: 0

Juned Ahsan
Juned Ahsan

Reputation: 68715

Make use of continue, something like this:

for(int x=0; x<50; x++) {
   if(x == 22)
      continue;

   // do work
}

Suggested reading: http://docs.oracle.com/javase/tutorial/java/nutsandbolts/branch.html

Upvotes: 4

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