I need to have a main method in a Tester class that will: Fill an array of type Vehicle[] of size NUM_VEHICLES with Vehicle objects. You need to generate a random number between 0 and 2. If the number is 0, add a Vehicle to the array. 1, add a Car, 2, add a Boat. The Vehicle/Car/Boat that you add must be initialized with a random efficiency between 0 and 100.0. Do this until you have added NUM_VEHICLES objects to the array
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I need to have a main method in a Tester class that will:
Fill an array of type Vehicle[] of size NUM_VEHICLES with Vehicle objects. You need to generate a random number between 0 and 2. If the number is 0, add a Vehicle to the array. 1, add a Car, 2, add a Boat. The Vehicle/Car/Boat that you add must be initialized with a random efficiency between 0 and 100.0. Do this until you have added NUM_VEHICLES objects to the array
How do I write it so that the array generates random numbers 0 through 2 (inclusive) and how would I then correlate those numbers to a different class object?
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- Write a method in your ArrayUtilities class that meets the following requirements: - It should be named "counts". - It should declare a parameter for an int array. You may assume that the array will contain only non-negative values. - It should return an int array where the value at each index is the count of how many times the index appears in the original array. For example, if the original array contained the value 10 3 times, then the value at index 10 in the count array should be 3. - Hint: the size of the array is determined by the maximum value in the original array. If the original array is empty, the count array should also be empty. A more detailed example: Given the int array [1, 2, 3, 4, 4, 1, 1, 2, 0, 6], your function would return the array [1, 3, 2, 1, 2, 0, 1]. The value at each index indicates how many times the index appears in the original array. The value at index 0 is 1 because appears 1 time in the original array. The value at index 1 is 3 because 1 appears 3…Based on the information in the screenshots, please answer the following question below. The language used is Java and please provide the code for it with the explanation. Create a testing class named “PlanTest”. Under this class, there needs to be another static method besides the main method: You will need to create a static method named “prerequisiteGenerator” under “PlanTest”, which return a random 2D array containing prerequisite pairs (e.g., {{1, 3}, {2, 3}, {4, 2}}). The value range of a random integer is [0, 10] (inclusive). This method will accept an integer parameter, which specifies the length of the returned array: int[][] pre = prerequisiteGenerator(3); // possibly {{1, 3}, {2, 3}, {4, 2}} Under the main method, you will need to use prerequisiteGenerator to generate random prerequisite pair lists, and perform tests on plan method at least three examples by printing proper messages. Given 4 courses and prerequisites as [[1,0], [2,0], [3,1]] It is possible to take all…Based on the information in the screenshots, please answer the following question below. The language used is Java and please provide the code for it with the explanation. Create a testing class named “PlanTest”. Under this class, there needs to be another static method besides the main method: You will need to create a static method named “prerequisiteGenerator” under “PlanTest”, which return a random 2D array containing prerequisite pairs (e.g., {{1, 3}, {2, 3}, {4, 2}}). The value range of a random integer is [0, 10] (inclusive). This method will accept an integer parameter, which specifies the length of the returned array: int[][] pre = prerequisiteGenerator(3); // possibly {{1, 3}, {2, 3}, {4, 2}} Under the main method, you will need to use prerequisiteGenerator to generate random prerequisite pair lists, and perform tests on plan method at least three examples by printing proper messages. Given 4 courses and prerequisites as [[1,0], [2,0], [3,1]] It is possible to take all…
- In this lab assignment you need to implement the method named middleValue, in a program named ArrayOps.java. The method accepts an array of integer values as a parameter, and returns the value in the middle of the array. For instance, if an array contains five elements, then the third element would be the middle element to be returned. However, if the array contains six elements, both the third and fourth values could be considered to be the middle elements. In this case, only return the first middle value, namely, the third element of the array. Complete the method middleValue, and test the correctness of your method in main(). Particularly, you should create two arrays (arbitrary values), one array with odd length, and the other with even length, and print out the middle values of these two arrays.you created a Card class that represents a standard playing card. Use this to design and implement a class called DeckOfCards that stores 52 objects of the Card class using an array. Include methods to shuffle the deck, deal a card, return the number of cards left in the deck, and a toString to show the contents of the deck. The shuffle methods should assume a full deck.Create a separate driver class that first outputs the populated deck to prove it is complete, shuffles the deck, and then deals each card from a shuffled deck, displaying each card as it is dealt along with the number of cards left in the deck. This is my Card class: mport java.util.Random; /*Card.java Richard Mino * This is a program demonstrating the use of random and predetermined objects and values in the form * of a playing card using getter/setter methods and two constructors and printing them out as a string * using the toString method */public class Card { //Set up variables for card rank and…An element in the array is a peak (max or min) if the elements before and after that element are greater than the element itself (min) or the elements before and after that element are less than the element (max). Write a method in your program called displayPeaks that will take a single-dimensional array as parameter and display all peak elements of that array (line by line) together with their index and whether they are max or min. For example, calling the method displayPeaks from main method will display: 83 at position 0 is a max 48 at position 1 is a min 89 at position 2 is a max 40 at position 4 is a min 94 at position 5 is a max 12 at position 8 is a min 87 at position 11 is a max 10 at position 12 is a min 78 at position 14 is a max 2 at position 15 is a min 52 at position 18 is a max 46 at position 19 is a min
- in computer programming: java Create a rectangle class that can compute the area and the sum of its sides. Create a specialized method that will allow the class to compare other rectangle objects. The comparison should identify the larger rectangle according to the object’s area. You should be able to implement the class where the user provides rectangle dimensions. The program should be able to display which of the rectangle inputs is larger using the Rectangle class method that you defined. Sample output: Enter Length R1: 1 Enter Width R1: 1 Enter Length R2: 2 Enter Width R2: 2 Results: R1 Area: 1 R1 Sum: 2 R2 Area: 4 R2 Sum: 4 R2 is the bigger Rectangle! Note: All characters in boldface are user inputs.You will need to use at least 1 additional class other than the class with the main method. Perhaps the class would be how you instantiate each character for the array? The class needs to contain at least 3 different private members (variable/attribute) and public getter and setter properties for those members. These could be name, points, whether the character is good or evil, etcRename the show method to people Override the show method in student and in the other class you created (this will be the polymorphic method) In main program, create an array of 3 objects of class people Instantiate each array position with a different object (people, student, other) With a loop, display all the objects in the array.
- This lab was designed to reinforce programming concepts from this lab, you will practice: Declaring and initializing ArrayList. Add elements to the Arraylist. Display the content of the ArrayList. Write a class name PhoneBookEntry that has fields for a person’s name and phone number. The class should have a constructor and the appropriate accessor and mutator methods. Then write a program that creates at least 5 PhoneBookEntry objects and stores them in an ArrayList. Use a loop to display the contents of each object in the ArrayList.Create a Golf Game. Allow for two players. Prompt for the player names. Each player plays 18 holes. Use an array or List for each player to hold their number of swings for each hole. Logical methods should be implemented for different tasks (broken out below). It is up to you to determine the parameters and return types of each method as appropriate. Method 1 - For each hole, the player has a number of swings. Determine the player's swings by generating a random number between 1 and 4. Store each players number of swings in the array/list. Method 2 - After completing the 18 holes, add up the number of swings for each hole for each player. The player with the fewest number of swings is the winner. Method 3 - Save the game data into a CSV file in the main project (root) directory. Name the file "Golf_Game_Player1_Player2.csv" using the player's names. The information in the file should look like this: playername, scoreforhole1, scoreforhole2, scoreforhole3, etc... Method 4 - In the…Write a RainFall class that stores the total rainfall for each of 12 months into an array of double s. The program should have methods that return the following: • the total rainfall for the year • the average monthly rainfall • the month with the most rain • the month with the least rain • Test the RainFall class by writing a tester class, RainFallDemo , to produce the outputs similar to the sample execution below. For the rainfall values, you must get them from the user’s input as double values in the tester class. For the class RainFall you must write standard Java Documentation for the whole class on the top, and for every method. Input Validation: Do not accept negative numbers for monthly rainfall figures. If a value is negative, ask the user to re-enter the input.