Write a java program that calls a method called removeZeroes that takes as a parameter an ArrayList of integers and eliminates any occurrences of the number 0 from the list. For example, if the list stores the values [0, 4, 5, 0, 6, 0, 1] before the method is called, it should store the values [4, 5, 6, 1] after the method finishes executing. Print the ArrayList before and after the method call.
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- In java Write a method public static ArrayList<Integer> append(ArrayList<Integer> a, ArrayList<Integer> b) that appends one array list after another. Ex: a = 1 2 3 4 5, b = 6 7 8 9 10 then append returns 1 2 3 4 5 6 7 8 9 10You will be given an ArrayList of Integers. This ArrayList will have at least 2 items. Starting with the second string in the list, remove it if the string before it comes first alphabetically. Then print the ArrayList. You cannot change the method header! public ArrayList<String> removeStrings(ArrayList<String> arrList) { return null; // Return the ArrayList as well as printing it. }java Write a program to do the following: Create an ArrayList of Student. Add 7 elements to the ArrayList. Use for each loop to print all the elements of an ArrayList. Remove an element from an ArrayList using the index number. Remove the element from an ArrayList using the content (element name).
- Java Complete a method calledRedundantCharacterMatch(ArrayList<Character> YourFirstName): the parameter of this method is an ArrayList<Character> whose elements are the characters in your first name (they should be in the order appear in your first name, e.g., if your first name is bob, then the ArrayList<Char> includes ‘b’, ‘o’, ‘b’.). The method will check whether there exists duplicate characters in your name and return the index of those duplicate characters. For example, when using bob as first name, it will return b: 0, 2. 2. Create an ArrayList<Character> NameExample. All the characters of your first name will appear twice in this ArrayList. For example, if your first name is bob, then NameExample will include the following element {b,o,b,b,o,b}. Then, please use NameExample as parameter for the method RedundantCharacterMatch(). If your first name is bob, the results that print in the console will be b: 0, 2, 3, 5 o: 1, 41. Write a method called doubleListthat takes an ArrayList of strings as a parameter and replaces every string with two of that same string. For example, if the list stores the values ["how", "are", "you?"] before the method is called, it should store the values ["how", "how", "are", "are", "you?", "you?"] after the method finishes executing.In your program1, you also need to create a class namedProgram1.java, where you are going to construct some arralylists to test the doubleList within the static void main method. In the output, it will print out the original list and the new list after calling the doubleList method. 2.Write a method called filterRange that accepts an ArrayList of integers and two integer values min and max as parameters and removes all elements whose values are in the range min through max (inclusive). For example, if a variable calledlist stores the values [4, 7, 9, 2, 7, 7, 5, 3, 5, 1, 7, 8, 6, 7], the call of filterRange(list, 5, 7);should remove all values…For JAVA Write a Java program using ArrayLists that repeatedly asks user to enter numbers. Your program should print the entered numbers and average of these numbers. If the user enters ”u”, your program should delete the last entered number from the ArrayList. If the user enteres ”r”, the program should remove all elements from the list. If the user enters ”q”, the program should terminate. Please see the example below. Hint: You can convert Strings like ”1” to integers with the following code: String str = "1"; int one = Integer.parseInt(str); OUTPUT MUST BE: Enter a number 1 Elements in arraylists:1 Average is:1.0 2 Elements in arraylists:1 2 Average is:1.5 3 Elements in arraylists:1 2 3 Average is:2.0 u Elements in arraylists:1 2 Average is:1.5 u Elements in arraylists:1 Average is:1.0 4 Elements in arraylists:1 2 Average is:2.5 5 Elements in arraylists:1 4 5 Average is:3.33333335 r ArrayList is empty 1 Elements in arraylists:1 Average is:1.0 q Bye
- Implement the following method where: 1. String s is a given string 2. myArray is an array list that contains strings 3. The method findExactString will take the string s and the arraylist myArray and return an arraylist that contains the indices of all strings in myArray that matches the string s. If the reference to the string is null and the reference to the string inside the array is also null, string s is considered to be a equal to the string in arraylist. public static ArrayList findExactString(String s, Arraylist myArray) { return null;In java Write a class with a main() method. The main() method should declare and initialize four different ArrayLists, each containing at least four int values. The class should also contain a method named fiveEight. Given an ArrayList of ints, the fiveEight should return the int 30 if every element of the given ArrayList is either a 5 or a 8; otherwise, it should return -9. There should be four calls to the allfiveEight method in the main() method.Write a Java program using ArrayLists that repeatedly asks user to enternumbers. Your program should print the entered numbers and average of thesenumbers. If the user enters ”u”, your program should delete the last enterednumber from the ArrayList. If the user enteres ”r”, the program should removeall elements from the list. If the user enters ”q”, the program should terminate. Hint: You can convert Strings like ”1” to integers with the following code:String str = "1";int one = Integer.parseInt(str);
- Suppose that you want an operation for the ADT list that adds an array of items to the end of the list. The header of the method could be as follows: public void addAll( T[ ] items) Write an implementation of this method for the class LinearLinkedListWrite a Java application CountryList. In the main method, do the following:1. Create an array list of Strings called countries.2. Add "Canada", "India", "Mexico", "Peru" in that order.3. Use the enhanced for loop to print all countries in the array list, one per line.4. Add "Spain" at index 15. Replace the element at index 2 with "Vietnam". You must use the set method.6. Replace the next to the last element with "Brazil". You must use the set method. You willlose one point if you use 3 in the set method. Do this in a manner that would replace thenext to the last element, no matter the size of the array list.7. Remove the object "Canada" Do not remove at an index. Your code should work if"Canada" was at a different location. There is a version of remove method that willremove a specific object.8. Get and print the first element followed by "***"9. Call method toString() on countries to print all elements on one line.10. Use the enhanced for loop to print all countries in the array list,…In this assignment, you will compare the performance of ArrayList and LinkedList. More specifically, your program should measure the time to “get” and “insert” an element in an ArrayList and a LinkedList.You program should 1. Initializei. create an ArrayList of Integers and populate it with 100,000 random numbersii. create a LinkedList of Integers and populate it with 100,000 random numbers2. Measure and print the total time it takes to i. get 100,000 numbers at random positions from the ArrayList 3. Measure and print the total time it takes to i. get 100,000 numbers at random positions from the LinkedList 4. Measure and print the total time it takes to i. insert 100,000 numbers in the beginning of the ArrayList 5. Measure and print the total time it takes to i. insert 100,000 numbers in the beginning of the LinkedList 6. You must print the time in milliseconds (1 millisecond is 1/1000000 second).A sample run will be like this:Time for get in ArrayList(ms): 1Time for get in…