1)Examine the above code that creates the array: a)How is the base type of the array specified? b)How is the length of the array specified? c)How many Strings are actually stored in the array after the array has been created? d)How is the base type of the ArrayList specified? e)How is the capacity of the ArrayList specified? f)What is the capacity of the ArrayList? g)What is the size of the ArrayList?
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1)Examine the above code that creates the array:
a)How is the base type of the array specified?
b)How is the length of the array specified?
c)How many Strings are actually stored in the array after the array has been created?
d)How is the base type of the ArrayList specified?
e)How is the capacity of the ArrayList specified?
f)What is the capacity of the ArrayList?
g)What is the size of the ArrayList?
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- Java Programming Class Car Attributes (all private): vin: String (5 digits) make: String model: String year: int price: double Methods: Parameterized constructor for initializing a new Car instance Getters for all attributes toString method to display a Car's attributes Executable Class Create an array of at least ten Car objects. Be sure to use many with identical last years and different prices. Create an ArrayList from the array. Shuffle the ArrayList. Sort the ArrayList first by year and then by price. See page 790-791. Using the forEach method and a lambda expression, print all cars sorted as above. Create a LinkedList from the ArrayList. Create an iterator capable of cycling both forward and backward through the LinkedList. Iterate forward through the entire LinkedList but without generating any output. Then iterate backwards through the LinkedList to print the cars data.JAVA LANGUAGE Create an ArrayList, Name it YourRegNoandName that can hold Integers, and fill each slot with a different random value from 1-50. Display those values on the screen, and then prompt the user for an integer to search through the ArrayList, and if the item is present, say “FOUND”. It is not necessary to display anything if the value was not found. If the item is in the ArrayList multiple times, it's okay if the program prints the message more than once. ALSO SCREENSHOT THE OUTPUTgetListRowIndices Method public static java.util.ArrayList<java.lang.Integer> getListRowIndices(int[][] array, int rowLength) This method returns an ArrayList with the indices of rows of the two-dimensional having a length that corresponds to rowLength. You may only use one auxiliary method. The method should create an ArrayList that is passed to the auxiliary in order to place the indices (if any). If no indices are found, an empty (size of 0) ArrayList will be returned. You can assume the array parameter will not be null and every row of the two-dimensional array has an array with a size of at least 0. Your implementation must be recursive and you may not use any loop construct. Do not use ++ or -- in any recursive call argument. It may lead to an infinite recursion. For example, use index + 1, instead of index++. Parameters: array - rowLength - Returns: ArrayList<Integer>
- Arrays: create an array of a given type and populate its values. Use of for loop to traverse through an array to do the following : to print the elements one by one, to search the array for a given value. ArrayList: create an ArrayList containing elements of a given type . Use some of the common ArrayList methods to manipulate contents of the ArrayList. Write methods that will take an ArrayList as its parameter/argument ; and/or return an ArrayList reference variable as its return type. Searching for an object in an Array: Loop through the ArrayList to extract each object and to check if this object’s attribute has a given value. Explain how and why interfaces are used in Java Collection Framework. Explain the major differences between a Stack and a Queue. Be able to use stack and queue methods. What is meant by O(N) notation? Express the complexity of a given code using the O(N) notation.java The search method accepts ArrayList of Strings and String find. The method returns a String. It will look for an element within ArrayList that contains value of find if it finds it, methods needs to return whole Element value. if an instance of find doesn't exist return:"search failed" Example: search(["one apple","two orange","four banana"],"four") returns: "four banana" ("four banana" contains "four" so method returns "four banana")Problem #3. Design an ArrayList that asks the user to input 10 numbers. Get the sum of evennumbers, odd numbers, positive numbers, and negative numbers.Class Name: ArrayListSumPostitiveNegativeNumbersSample Input/Output:Enter the 10 values of the ArrayList12345-1-2-3-4-5The sum of even numbers is: 0The sum of odd numbers is:0The sum of positive numbers is:15The sum of negative numbers is:-15 Machine Problem #4. Design an ArrayList that asks the user to input 15 numbers. Get the highest and smallestvalueClass Name: ArrayListBiggestSmallestSample Input/Output:Enter the values of the 3-D array:123456789101112131415The highest value is: 15The smallest value is: 1 use java language
- Java Programming : At a fun fair, a street vendor is selling different colours of balloons. He sells N number of different colours of balloons (B[]). The task is to find the colour (odd) of the balloon which is present odd number of times in the bunch of balloons. Note: If there is more than one colour which is odd in number, then the first colour in the array which is present odd number of times is displayed. The colours of the balloons can all be either upper case or lower case in the array. If all the inputs are even in number, display the message 'All are even'. Example 1: 7 -> Value of N [r,g,b,b,g,y,y] -> B[] Elements B[0] to B[N-1], where each input element is separated by new line. Output: r -> [r,g,b,b,g,y.y] →> 'r' colour balloon is present odd number of times in the bunch. Explanation: From the input array above: r: 1 balloon g: 2 balloons b: 2 balloons y: 2 balloons Hence, r is only the balloon which is odd in number.In java language Create a class name FunWithArrays and create the following methods: consecutiveValueChecker(int arr[]): This method will not allow user to input consecutive values in an array Input: 3,4,2,1,5,5 Output: Cannot input consecutive value please input value other than 5 calcultesLongestSequence(String arr[]): This method will take a string array and calculate length of values at each index also print the word having the longest length.Java programming please type the code CountOccurrences(String[], String) This is a public static function that takes a String[] and a string for the parameters and returns an int. This function should count the number of times a given pattern (the second parameter) is found within each string in an array of strings (first parameter). Then the function should return the total number of occurrences. Arguments: String[] array - An array containing at least one string String pattern - A string containing at least one character. returns int - The number of times the pattern is found in the strings in the array. Example: array = ["aba", "ckel", "kealska"] pattern = "a" output = 4
- Make a shopping cart program that implements the ArrayList class. Make a class named Item.java that contains the following data members, item_name, quantity, and price. Create the appropriate constructors and methods to initialize, access, and manipulate the data members, also create a toString method to print the item name, quantity, and price. Create an ArrayList of Items in the Main.For the INPUTThe user will enter the item name, quantity, and price of each item. A 'Y' will add another item to the shopping cart, and 'N' will stop the input.For the OUTPUTThe program then lists the items in the shopping cart using the toString method in the Item class. Calculate for the subtotal and total of the items in the cart.Format your toString method to have a double tab, "\t\t", after the item name, single tab, "\t", after quantity and double tab, "\t\t", after price. EXAMPLEINPUTPencil215.25yYellow Paper150.00nOUTPUTPencil 2 15.25 30.50Yellow Paper 1 50.00…Java code 8. Given an existing ArrayList named friendList, find the first index of a friend named Sasha and store it in a new variable named index. 9. Given that an ArrayList of Integers named numberList has already been created and several values have already been inserted, write the statement necessary to insert the value 25 at the end of the list. 10. Declare an integer array named evens and fill it with even numbers from 2 through 10 in one statement. 11. Given an existing array named pets, find the size of the array and store it in a new variable named numPets. 12. Given an existing ArrayList named contactList, find the number of contacts in the ArrayList and store it in the existing variable named numContacts.JAVAWrite a program that searches person's name and display all matched name. For example, if a user inputs the letter "Davis", the program searches all name which includes "Davis" in an array. Then, display all matched names on the screen. You must declare a single dimensional array which has all people’s name. Use methods of string class