I have a variable called score in one of my classes (public int score;) I need to change this from a different class. I am trying this: score = score - 20; but it does not work. It says "cannot find symbol - variable score"
6716070 wrote ...
2015/11/10
Accessing a variable from another class
You cannot directly reference a field from another class. The 'score' field belongs to some object (maybe a World object -- maybe another Actor object) created from another class. As such, you need a reference to an object that has the field -- the specific object you want the value from.
Let us say you have a world class named 'MyWorld' and a 'score' field is given to each World object created from the class. Then, from an Actor subclass, an object in a MyWorld world can use:
or, more simply put:
1 | int worldScore = ((MyWorld)getWorld()).score; |
1 2 3 | World world = getWorld();MyWorld myWorld = (MyWorld) world;int worldScore = myWorld.score; |
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