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If I have an object O with a gigantic method f(), and I load 10000 examples of O into memory. Are 10000 examples of f() loaded into memory as well? If so, does that mean that I would save memory by making this function static if possible?
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Instance method are methods which require an object of its class to be created before it can be called. To invoke a instance method, we have to create an Object of the class in which the method is defined.
Calling Instance Method: You can not call an instance method in the static method directly, so the Instance method can be invoked using an object of the class.
Instance methods need a class instance and can access the instance through self . Class methods don't need a class instance. They can't access the instance ( self ) but they have access to the class itself via cls .
No. Methods occur only once in memory1. They don't vary on a per instance basis, so they don't need storage on a per-instance basis.
Instance Methods are loaded in to Method Area in JVM. it is loaded once , but there will be many stack for every call u make to f() , to keep track of there own local variable values.
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No. There is only one instance of the method loaded.
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