Write a Normal Polish Notation program WITHOUTusing standard java libraries for stacks, queues etc.You may only use a library to take an input /output.
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Write a Normal Polish Notation
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- create a linked list queue in c++ by following all the instruction in the image belowRPN.java import java.util.Scanner; /** * Reverse Polish Notation calculator. It evaluates * a string with expressions in RPN format and prints * the results. Exampel of a stack use. */public class RPN{ /** * Given a string, return an integer version of * the string. Check if the string contains only * numbers, if so, then does the conversion. If * it does not, it reurns 0. * @param t string with numeric token * @return int version of the numeric token in t */ public int getValue(String t) { if (t.matches("[0-9]+")) { return Integer.parseInt(t); } else { return 0; } } /** * Evaluates a single token in an RPN expression. If it is * a number, it pushes the token to the stack. If it is an * operator, then it pulls 2 numbers from the stack, performs * the operation and pushes back into the stack the result. * @param token to be evaluated * @param stack holding values for…Im trying to figure out a java homework assignment where I have to evaluate postfix expressions using stacks and Stringtokenizer as well as a isNumber method. when I try to run it it gives me an error. this is the code I have so far: static double evaluatePostfixExpression(String expression){ // Write your code Stack aStack = new Stack(); double value1, value2; String token; StringTokenizer tokenizer = new StringTokenizer(expression); while (tokenizer.hasMoreTokens()) { token = tokenizer.nextToken(); if(isNumber(expression)) { value1 = (double)aStack.pop(); value2 = (double)aStack.pop(); if (token.equals("+")) { aStack.push(value2+value1); } else if (token.equals("-")) { aStack.push(value2-value1); } else if (token.equals("*")) { aStack.push(value2*value1); } else if (token.equals("/")) { aStack.push(value2/value1); } } }…
- Java utilises the terms counter controlled loop, flag while loop, instance methods, inner classes, shallow copying, and deep copying.I need a unique solution for the following question: Note: please use stack in C language. In this project you will implement a program that simulates a simple text editor with the undo/redo functionalities allowed. The program will accept statements, one at a time with a maximum of 100 characters per line.There will be some special commands as follows:1. undo: this will undo (i.e., remove) that last entered statement;2. redo: this will redo (i.e., re-add) that last removed statement;3. print: this command will print the entire stored input text;4. save: will save the text to a file called (output.txt);5. quit: will exit the program and save all results to output.txtExecution example:MyCommand > This is a test inputMyCommand > COMP2421 – Data structures & AlgorithmsMyCommand > test1MyCommand > printresult > This is a test inputCOMP2421 – Data structures & Algorithmstest1MyCommand > undoresult > This is a test inputCOMP2421 – Data structures &…C++Create 1 million integers randomly and store them in an array. Find the 100 smallest integers and print them. Use a Priority Queue implemented by Heap using array, and print the execution time too.
- Implement a STUDENT RECORD program in C++ (SINGLY LINKED LIST) that does the following: 1. Displays a Menu (do..while loop) with choices for user to choose from (similar to the one shown below) MENU • • Add a student to the record. Remove a student from the record. Display the whole record list. Modify the student record. Exit. 2. Enables the user to choose the choice of action by typing the number between (1 to 5): adding a student to the record. removing a student from the record. displaying the whole record; 4) modify the student record. exit. The record contains students' full name, student number, and general weighted average. 3. The list must display proper messages (when the list is full, or when the list is empty, or when the items requested to be deleted is not in the list, etc.) 4. The program should run until user chooses to Exit. NOTE: - All the code must be well commented per line - Must be a singly linked list - Use dynamic memory allocation - Use an array Has the…OCaml Code: The goal of this project is to understand and build an interpreter for a small, OCaml-like, stackbased bytecode language. Make sure that the code compiles correctly and provide the code with the screenshot of the output. Make sure to have the following methods below: -Push integers, strings, and names on the stack -Push booleans -Pushing an error literal or unit literal will push :error: or :unit:onto the stack, respectively -Command pop removes the top value from the stack -The command add refers to integer addition. Since this is a binary operator, it consumes the toptwo values in the stack, calculates the sum and pushes the result back to the stack - Command sub refers to integer subtraction -Command mul refers to integer multiplication -Command div refers to integer division -Command rem refers to the remainder of integer division -Command neg is to calculate the negation of an integer -Command swap interchanges the top two elements in the stack, meaning that the…Convert the following java code to C++ //LabProgram.javaimport java.util.Scanner;public class LabProgram {public static void main(String[] args) {//defining a Scanner to read input from the userScanner input = new Scanner(System.in);//reading the value for Nint N = input.nextInt();//creating a 1xN matrixint[] m1 = new int[N];//creating an NxN matrixint[][] m2 = new int[N][N];//creating a 1xN matrix to store the resultint[] result = new int[N];//looping and reading N integers into m1for (int i = 0; i < N; i++) {m1[i] = input.nextInt();}//looping from 0 to N-1for (int i = 0; i < N; i++) {//looping from 0 to N-1for (int j = 0; j < N; j++) {//reading an integer and storing it into m2 at position i,jm2[i][j] = input.nextInt();}}//multiply m1 and m2, store result in result//looping from 0 to N-1for (int i = 0; i < N; i++) {//looping from 0 to N-1for (int j = 0; j < N; j++) {//multiplying value at index j in m1 with value at j,i in m2, adding to current value at index i// on…
- You will create two programs. The first one will use the data structure Stack and the other program will use the data structure Queue. Keep in mind that you should already know from your video and free textbook that Java uses a LinkedList integration for Queue. Stack Program Create a deck of cards using an array (Array size 15). Each card is an object. So you will have to create a Card class that has a value (1 - 10, Jack, Queen, King, Ace) and suit (clubs, diamonds, heart, spade). You will create a stack and randomly pick a card from the deck to put be pushed onto the stack. You will repeat this 5 times. Then you will take cards off the top of the stack (pop) and reveal the values of the cards in the output. As a challenge, you may have the user guess the value and suit of the card at the bottom of the stack. Queue Program There is a new concert coming to town. This concert is popular and has a long line. The line uses the data structure Queue. The people in the line are objects…2. Write a complete JAVA program that user can randomly customized item they want to put in the gift box [ limit 5 item in a box). Each user can create only 2 box. For example: Create a few lists: List 1: Chocolate Strawberry, Chocolate Milk, Chocolate Nuts List 2: Balloon red, Balloon blue, Balloon orange, Balloon Pink List 3: Candy 1, Candy 2, Candy 3, Candy 4, Candy 5 List 4: Card 1, Card 2, Card 3 Box 1: Chocolate Strawberry [2], Balloon orang [2]. Balloon Pink [1] Box 2: Candy 1[1], Candy 4[1], Card 1[1]. Balloon blue[1], Balloon red[1]java
