For each of the following parameter-passing methods, what are all of the values of the variables value and list after each of the three calls to swap? a. Passed by value b. Passed by reference c. Passed by value-result 2. a) What are the differences between a function and a procedure? b) What are the differences between a C++ abstract class and a Java 3 interface? c) Make a comparison of the exception-handling capabilities of C++ and 4 those of Java. 3. a) What do you understand with 'Naming Encapsulation'? Which 3 languages support it? b) Why should you consider support concurrency features when you 3 design a programming language? c) Write a Scheme function that returns the reverse of its simple list 4 parameter