If you want more than one economy, then you need a property that keeps track of which economy each worker belongs to. Then you can just use that reference to subtract the wage from the correct economy: public class Worker { public Economy InEconomy { get; private set; } public int Wage { get; private … Read more
Foo has a static variable called Instance. This static variable is intialized before Main is executed, which causes the constructor Foo() to be called 1 solved why the program doesn’t begin with main method
dir() produces a sorted list of names; these are just strings. They are not references to the actual objects. You can’t apply a call to a string. Use the globals() dictionary instead, this gives you a mapping with both the names and the actual objects: for name, obj in globals().items(): if not name.startswith(‘__’): print “name … Read more
If you need to dynamically create new objects and assign them to a variable, I would utilize a map with the key used to simulate naming a variable and the value as the newly created Chicken object: e.g. new HashMap<nameOfVariable, Chicken>() This will get you around not knowing the number or name of your instances … Read more
First question: I guess that the “mentioned method” is the one in tutorial1. It is not the appropriate one since you have to write a program to output the alignment format and this is a command line interface tutorial. In this case, you’d better look at http://alignapi.gforge.inria.fr/tutorial/tutorial2/index.html Then, there are basically two ways to do: … Read more
I am a little confused about class,instance and object. This is my understanding about the 3 kindly correct me if I’m wrong thank you solved I am a little confused about class,instance and object. This is my understanding about the 3 kindly correct me if I’m wrong thank you
I think your understanding of what an instance is wrong here, since everything is an object in python, so 5 is an object of class int and [2,3] is an object of class list and so on. isinstance(x, y) is the way to go if you just want to check if x is an object … Read more