Suppose that the set A is defined like this: A = { a | real(a) ∧ 0 ≤ a ≤ 1 } So A is the infinite set of real numbers between 0 and 1 inclusive. Show a way to represent all the members of A using only sets. Your representation must work for real numbers with finitely many digits, like 0.5. It must also work for real numbers with infinitely many digits, like π − 3. Hint: you can also use objects from the lectures that can be represented as sets, such as natural numbers and ordered pairs.

Suppose that the set A is defined like this: A = { a | real(a) ∧ 0 ≤ a ≤ 1 } So A is the infinite set of real numbers between 0 and 1 inclusive. Show a way to represent all the members of A using only sets. Your representation must work for real numbers with finitely many digits, like 0.5. It must also work for real numbers with infinitely many digits, like π − 3. Hint: you can also use objects from the lectures that can be represented as sets, such as natural numbers and ordered pairs.

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Make a Java class for storing data of employee. Make a class Employee has data members eid(int), experience(int), sal (int) and name (String). Make a second class EmployeeArray that declares an array of Employee. You have to add following public methods void addEmployee(Employee val); ( This functions add employee to the array. While adding employee make sure size of array increases when it gets full. Employee is added in sorted order with respect to experience. You are not allowed to sort array. Find appropriate index for the value and place value at that index. While adding data also ensure that any data does not get duplicated. bool Remove (int eid); ( This function will receives eid as argument and delete an employee from array whose eid matches with argument. When a value gets deleted shift rest of data. If value is removed successfully returns true otherwise return false) Employee valueAt(int index) (This function receives index as argument and returns value of that index if…
So how fast is the merge sort? Does it depend on the type of array? We saw with some of our previous sorts that it depended on the initial array. For example, an Insertion sort was much faster for a nearly sorted array. In this exercise, you are given the Sorter class, which contains a static mergeSort method that takes an int array and length as an input. You are also given the SortTester class which has three static methods for creating 3 different types of arrays. For this test, create one of the three arrays, then take a start time using System.currentTimeMillis(). Next, run the array through the mergeSort method in the Sorter class. Finally, record the end time and print out the results. Repeat this for the other two array types. Sample Output Random Array: ** Results Hidden ** Almost Sorted Array: ** Results Hidden ** Reverse Array: ** Results Hidden **
Suppose that there will never be more than one character of pushback. Modifygetch and ungetch accordingly.
Java Problem Create an object of type FitnessExperiment that stores an array ofStepsFitnessTracker, DistanceFitnessTracker, andHeartRateFitnessTracker objects. In the FitnessExperiment class Add to your FitnessExperimentclass a method called getTotalDistance() that calculates the total distance walked by all theobjects stored in your FitnessExperiment. appropriately both values (total number of steps and total distance walked in that experiment) usingthe printExperimentDetails() method. FitnessExperiemnt.java public class FitnessExperiment {FitnessTracker[] fitnessTrackers;public static void main(String[] args) {FitnessTracker[] trackers ={ new StepsFitnessTracker("steps", new Steps(230)),new StepsFitnessTracker("steps2", new Steps(150)),new StepsFitnessTracker("steps2", new Steps(150)),new HeartRateFitnessTracker("hr", new HeartRate(80)),new HeartRateFitnessTracker("hr", new HeartRate(80)),new DistanceFitnessTracker("dist1", new Distance(1000)),new DistanceFitnessTracker("dist2",…
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The play method in the Player class of the craps game plays an entire game without interaction with the user. Revise the Player class so that its user can make individual rolls of the dice and view the results after each roll. The Player class no longer accumulates a list of rolls, but saves the string representation of each roll after it is made. Add new methods rollDice, getNumberOfRolls, isWinner, and isLoser to the Player class. The last three methods allow the user to obtain the number of rolls and to determine whether there is a winner or a loser. The last two methods are associated with new Boolean instance variables (winner and loser respectively). Two other instance variables track the number of rolls and the string representation of the most recent roll (rollsCount and roll). Another instance variable (atStartup) tracks whether or not the first roll has occurred. At instantiation, the roll, rollsCount, atStartup, winner, and loser variables are set to their appropriate…
1. Given a Vertex object x, give Java code to enumerate its outgoing edges. ("Enumerate" means "to list"; your code does not need to do anything with the edges, but should be setup code that would make it easy to do something with each edge if we wanted to add that in.) 2. Given a VertexAndDist object x and a new distance d, give Java code to create an updated object with the same vertex as x but with distance d. 3. For simplicity of implementation, we use HashMaps to map vertices to handles/parents and edges to weights. How could you modify the Vertex and/or Edge classes, as well as the maps themselves, to implement the maps using ordinary arrays, with no hashing? Be sure to address both the vertex and edge maps in your answer. (Hint: consider the Vertex's "id" field for inspiration.)
Write a program to test your implementation by reading data related to 50 Car objects and store them in an array ARR of Car. Your program should include:a. A method Search() that takes as parameters an array of Car objects ARR and a Car object C. This method should return true if C is inside ARR, false otherwise. b. A method findCylinders that takes as parameters an array of Car objects ARR and number of cylinder engine N. It should display all the cars that have N cylinder engine.
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write a java class definition 4. Give the class definition of ArrayChecker which has an integer array variable arr. This has 2 methods a. Constructor which take an integer parameter numElements and reads all the numElements from the user using Scanner class into arr. b. public boolean checkConsecutiveValues (int n), which checks whether arr has atleast n consecutive elements with the same values. (it is enough if it returns the first occurrence of n consecutive elements) (Write only the class definition of ArrayChecker) Eg. 12345555 10, if n = 4, this has four consecutive 5s, return true 10 12 111 11456666. If n = 3, this has 3 consecutive 1s, return true. 10 12 111 11456666. If n = 7, then return false
Sally and Harry are working on an implementation of Coin. Sally declares the sole parameter to her compareTo method as type Object. Harry knows the compareTo method will always be called on objects of type Coin and declares the parameter to be of that type. Which method is suitable for storing Coin objects in a OrderedVector?