Consider the following program in C-like syntax: void f1(); void f2(); int main() { int x, y; ... } int f1() int a, b, x; ... } int f2() { int b, c, x, y; ... } If the programming language uses dynamic scoping, what are the variables that are visible in the last function in the following call sequences? Give not only the names of the variables, but also where they are declared. (a) main → f1 → f2 (b) main → f2 → f1

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Class

Object Oriented Programming System (OOPs) is a programming model built on the perception of “objects” that contains data and methods. The major purpose of Object Oriented Programming is to increase the maintainability and flexibility of programs. Object Oriented Programming gets together data and its behavior (methods) in a single location (object) which makes it easier to understand.