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Problem 1
Define an abstract syntax of the while language suitable for interpretation in either Haskell or Prolog. In Haskell, the definition should be the code of a few data types. In Prolog, no code may be necessary. In this is your case, move directly to Problem 2.
Problem 2
Code two simple while programs in the syntax of Problem 1. One program is the factorial shown above, the other is a program of your choice.
Problem 3
Code an interpreter of the while language in either Haskell or Prolog. Your interpreter should have a function (in Haskell) or a predicate (in Prolog) that takes the abstract syntax tree of a program of Problem 2 as one of its argument. The interpreter should execute the program statements and produce (return in Haskell or bind in Prolog or print, if you prefer) the value of the program variables at the end of the execution. The structure or format of these values is irrelevant as long as it is understandable, see below. You are free to implement only the portions of the interpreter that are needed for the execution of the two programs of Problem 2.
Clearly distinguish each class templates and their program with heading. Elaborate each step and give it without errors. Develop classes or class templates for the following.
Would failure to implement Ref Integ result in data duplication, incorrect data sets, or broken table errors or is there a work around.
Is there a downside to utilizing prototypes? Prototypes can show to user the look and feel of application but frquently the more sophisticated tools (like data entry verification) have not been implemented.
Write a method called multiConcat which takes a String and an integer as parameters. Return String made up of the string parameter concatenated with itself count times.
Write a program that lets the user enter 2 numeric values, and an arithmetic operator: +, -, * and /. Write a switch statement that displays the result.
Suppose that input consists of a student file. You are told to write a program to select female students who have completed more than two courses.
Output the bowlers name, avg. and number of stars earned. Discover which bowler had the highest average and print out their name and average.
The following application program will be modified to accommodate the change to the database table. The personnel promotion application program.
a structured type with two fields, x and y, both of type double-- write an expression whose value is the distance between the two point represented by p1 and p2.
You have been hired by worldwide non-profit agency to create a system to handle their donations.
The day is not correct for the month (that is, between 1 and 31 for January, 1 and 29 for February, and so on), then set the month, day, and year to 0. Display the policy data after any revisions have been made.
Write down the class definition of subclass of Square called FancySquare which has a method called getDiagonal. The getDiagonal method gets no arguments.
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