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1. Computing lookahead sets is more complex when a rule contains ………
a. multiple alternatives
b. token reference
c. empty alternative
d. all the above
e. none of these are appropriate answers
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- In JSON, anything that is surrounded by curly braces { } is considered Select one: a. Attribute b. Array c. Value d. ObjectComputer Science Write a program in the Java language that includes: 1. A class for books, taking into account the encapsulation and getter, setter. 2. Entering books by the user using Scanner 3. LinkedList class for: (Adding a new book - Inserting a book- Searching for a book using the ISBN Number - Viewing all books,delete book). 4. Serial number increases automatically with each book that is entered. 5. Printing the names of books is as follows: Serial - ISBN - Name - PubYear - Price - Notes. 6-Design a main menu that includes: • Add Book • Insert Book • Delete Book • Search . Display . ExitWrite a COMPLETE C++ code by using only #include library, Includes an explanation of the code and its working details completely. It must contain the pictures of each and every functions results. Write a menu driven program to implement the linked list that has the following operations: Insert(data) Search(key) Delete(key) Your Linked List must accommodate Trader type of data. A bloom filter that acts as a membership data structure giving a very quick heads up on search of an item. Data is key/value fields for a Trader type of data tradernumber is the key or identifying field and other data fields name and department are value fields. All these fields combine to form the data and for Search and Delete all we need from the user is the key field.
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- Question 4 For this question, let's combine ADTS and dictionaries! Let's try to make an ADT that represents a politician. The politician ADT has a constructor make_politician. There are three selectors, get_name, get_party, and get_age. When implementing an ADT, you have the freedom to choose how you want to represent it. Some common data structures used to represent ADTs are lists and dictionaries. The city ADT was implemented using a list. Now, let's use dictionaries to implement our politician ADT. You must use a dictionary for this question, or else you will not pass the tests.OCaml Code: Please fix all the errors needed for interpreter.ml and use the test cases to test the code. Make sure to give the correct code with the screenshots of the test cases passing the code. interpreter.ml type stackValue = BOOL of bool | INT of int | ERROR | STRING of string | NAME of string | UNIT type command = ADD | SUB | MUL | DIV | PUSH of stackValue | POP | REM | NEG | TOSTRING | SWAP | PRINTLN | QUIT let interpreter (input, output) = let ic = open_in input in let oc = open_out output in let rec loop_read acc = try let l = String.trim (input_line ic) in loop_read (l :: acc) with End_of_file -> List.rev acc in let strList = loop_read [] in let str2sv s = match s with | ":true:" -> BOOL true | ":false:" -> BOOL false | ":error:" -> ERROR | ":unit:" -> UNIT | _ -> let rec try_parse_int str = try INT…Interpreter.java is missing these methods in the code so make sure to add them: -print, printf: Exist, marked as variadic, call Java functions -getline and next: Exist and call SplitAndAssign -gsub, match, sub, index, length, split, substr, tolower, toupper: Exist, call Java functions, correct return Below is interpreter.java import java.util.ArrayList; import java.util.HashMap; import java.util.List; public class Interpreter { private HashMap<String, InterpreterDataType> globalVariables; private HashMap<String, FunctionDefinitionNode> functions; private class LineManager { private List<String> lines; private int currentLineIndex; public LineManager(List<String> inputLines) { this.lines = inputLines; this.currentLineIndex = 0; } public boolean splitAndAssign() { if (currentLineIndex < lines.size()) { String currentLine = lines.get(currentLineIndex);…