How do I refer to an integer named in a String?

Programming Questions

macko123

How do I refer to an integer named in a String?

in Programming Questions • 2 years ago

So I've got the following variables.

int upgradeLvl - this changes, so it could be anything from 1-5.

int dmg1, dmg2, dmg3, dmg4, dmg5 - these are the values of the damage each class does, "dmg1" refers to the damage at level 1, dmg2 at level 2 and so on. This is so that I can easily manipulate and balance these later.

int dmg - the current dmg of the tower.

finally

String currentDmg = "dmg"+upgradeLvl; At upgradeLvl=1, String currentDmg = "dmg1", etc.

Then I want to go..

dmg = currentDmg (ie. dmg = dmg1, or dmg2, etc. depending the level).

but I can't make an int equal to a String "dmg1", I need it to refer to the variable named "dmg1" and extract the data from that.

Sorry if this is badly explained. Help would be much appreciated.

Replies(2)

calsign

Re: How do I refer to an integer named in a String?

2 years ago

For that, I would suggest using an Array. The idea is that you have one object (or primitive type) with multiple values referenced by an int. In your case, you would create an array dmgLevels by:
int[] dmgLevels = new int[4]; //*Note that array references start with 0, so new int[4] still gives you 5 ints*
and reference the individual ones with dmgLevels[reference] with reference being the int to retrieve - in your case, currentDmg. Also note that currentDmg in this case would be an int.
(You could also use HashMap which references via Strings, but an array is much easier and I do not know how to explain HashMaps.)
If this does not make sense, I can clarify.
There might be something on arrays in the tutorials...

macko123

Re: How do I refer to an integer named in a String?

2 years ago

Of course! That makes a lot more sense, thanks.

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