Download the Java source code of a lexical analyzer (Main.Java). A summary of the source code is provided below. 1. The lexical analyzer program identifies a) alphanumeric lexemes (variables) as IDENT token, b) numeric token (constant integers) as INT_LIT token, and c) all other lexemes, such as ('+', , , , , (), are identified as "UNKNOWN" category. The program uses a look-up table to retrieve the token value for these symbols. Any symbols other than these will throw an error
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- Please make a method to convert from binary to decimal and vice versa A “Procedural CLI Calculator” that you will develop using only the procedural constructs of the Java language. You are not allowed to use any object-oriented programming constructs of Java in your implementation except the following: o the Main class, since every Java program needs to be presented as a class, o Scanner class with all its methods for input and output, o Array and String classes with all their methods since most procedural languages provide them among their fundamental constructsIN HASKELL PROGRAMMING LANGUAGE PLEASE In case you do not know it: the game is played on a 3x3 grid that is initially empty. Two players are playing, by alternatingly making moves. A move by a player places their token (an X for player 1, an O for player 2) into a cell that was empty. We are using algebraic notations for indexing the positions in the board, with A,B,C indexing the columns and 1,2,3 the rows. Specifically, these coordinates would be used in the implementation for moves made by a human player. If the X X O Figure 1: Sample board position same token appears 3 times in any of the three columns, three rows or two main diagonals the game is over and that player wins. If the grid is filled without that happening the game is a draw. For the depicted board, we have Xs in positions C3 and A2, and an O in position B1. It would be O’s turn to make a move; a legal move would be C2, but it is not a good move, because X can force a win by responding A1. O cannot force a win, but…solve the problem in java:Consider the are n=2 subjects and needed =[4,5]answered questions, to pass.The student has answered =[2,4] questions in the two subjects so far, and can answer another q=1 questions across all subjects combined. The best outcome is to answer an additional question in the second subject on order to pass it, as 2 more answers required to pass the first subject. the max number of subject s that can be passed is 1. the function must return an integer that can represent the max number of subjects that can be passed. public static int maxNumsub(List <Integer> answered, List<Integer> needed, int q){//write code here}
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- The word "cat" can be spelled from the period table element symbols by using the sequence of elements carbon and astatine in that order. Since the symbol for carbon is "C" and the symbol for astatine is "At", which together makes [C][At]; thus, "cat" is an elemental phrase. To determine which elements can be used all combinations of 1 and 2 letter element symbols must be tested. Write a java program to determine if a lowercase word can be made with any combination of 1 or 2 letter element symbols from the periodic table. The list elements will come from a text file containing all the atomic elements and their symbols. The user will enter a lowercase word to check for from the keyboard. Assume the word is properly spelled but check for all lowercase letters. Output to the screen the list of chemical elements if it can be made from the element symbols following the format as seen below, if not output: "No element phrase possible." Output all possible solutions if applicable. Finally, ask…in java We want to present the animal world. In the Java programming language, implement the following entities (specify whether the interface or class) for Animal (has the properties name and age), the Reptile (has all Animal properties and the property of the length and method print) and Bird (has all Animal properties and a property flight and a method of print). - Correctly establish relations between entities. - Also show the use of these entities (Birds and Reptiles).Please implement in Java implement a keyed bag in which the items to be stored are strings (perhaps people’s names) and the keys are numbers (perhaps Social Security or other identification numbers). So, the in- sertion method has this specification: public void insert(String entry, int key);// Precondition: size( ) < CAPACITY, and the // bag does not yet contain any item// with the given key.// Postcondition: A new copy of entry has// been added to the bag, with the given key. When the programmer wants to remove or retrieve an item from a keyed bag, the key of the item must be specified rather than the item itself. The keyed bag should also have a boolean method that can be used to determine whether the bag has an item with a specified key. In a keyed bag, the pro- grammer using the class specifies a particular key when an item is inserted. Here’s an implementation idea: A keyed bag can have two private arrays, one that holds the string data and one that holds the corresponding…
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