ArrayList Application: Create an empty ArrayList. Take names from user as many as he/she would like to have. When you take the data, insert it into the ArrayList in alphabetical order. Print the list after user finish the data entering. Ask user which name to be removed and remove it from the list. Print the final list.
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- 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.Write a statement that creates an ArrayList object and assigns its address to a variable named lizards. The ArrayList should be able to store String objects only.Part 1: Add the code of the ArrayListType to your code. Part 2: Create an Ordered_List class derived from the ArrayListType then add the following function to this class: Constructor to create an array of the size specified by the parameter size. The default array size is 20. Sorted Insert this function takes an integer values then add it to the list this function should check whether the value exist in the list or not. If it is already exist then it will not be inserted to the list, this function should keep the list ordered. Remove function to remove an item from the list. The function takes a single parameter that specifies the number to be removed. • Sequential Search a function to search the list for an integer if exist return its location otherwise return -1. This function specifies the number we are looking for as a parameter. Part 3: Implement the following non-member functions to deal with the Ordered List objects: Load file: this function should read a text file consist an…
- Part 1: Add the code of the ArrayListType to your code. Part 2: Create an Ordered_List class derived from the ArrayListType then add the following function to this class: Constructor to create an array of the size specified by the parameter size. The default array size is 20. Sorted Insert this function takes an integer values then add it to the list this function should check whether the value exist in the list or not. If it is already exist then it will not be inserted to the list, this function should keep the list ordered. Remove function to remove an item from the list. The function takes a single parameter that specifies the number to be removed. • Sequential Search a function to search the list for an integer if exist return its location otherwise return -1. This function specifies the number we are looking for as a parameter. Part 3: Implement the following non-member functions to deal with the Ordered List objects: Load file: this function should read a text file consist an…Vectors are synchronized while ArrayLists are not. Group of answer choices True Falsecontinue from first question, Client class:The client program will allow entry of these data for several different student into an ArrayList and then perform some analysis and queries.Your client class (program) will provide the user with a menu to perform the following operations. You will also need to load the information of the students from a CSV file (student.csv) before displaying the menu. You only need one ArrayList and one menu for this. For the csv file, your first item can be U or G to differentiate whether the entry is creating a UndergraduateStudent object, or a GraduateStudent object. You can then decide how you want other data to be listed in the csv file. You should specify clearly in your documentation the data format of the CSV files used in this assignment.1. Quit (exit the program)2. Add (to the ArrayList) all the marks information about an undergraduate or graduate student by reading it from another CSV file. Your program will ask for the file name.3. Given student…
- X595: removeOdd This method takes an ArrayList of integers as a parameter and does not return anything. The method will remove all of the odd elements in the given list. If there is no element in the given list, the list does not change. You must modify the given list. Your Answer: 1 public void removeOdd (ArrayList list) 2{ 3 4} 5 Feedback Your answer could not be processed because it contains errors: line 3: error: size has private access in java.util.ArrayListA personal phone directory contains room for first names and phone numbers for 30 people. Assign names and phone numbers for the first 10 people. Prompt the user for a name, and if the name is found in the list, display the corresponding phone number. If the name is not found in the list, prompt the user for a phone number, and add the new name and phone number to the list. Continue to prompt the user for names until the user enters quit. After the arrays are full (containing 30 names), do not allow the user to add new entries.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 OUTPUT
- A personal phone directory contains room for first names and phone numbers for 30 people. Assign names and phone numbers for the first 10 people. Prompt the user for a name, and if the name is found in the list, display the corresponding phone number. If the name is not found in the list, prompt the user for a phone number, and add the new name and phone number to the list. Continue to prompt the user for names until the user enters quit. After the arrays are full (containing 30 names), do not allow the user to add new entries. Use the following names and phone numbers:A personal phone directory contains room for first names and phone numbers for 30 people. Assign names and phone numbers for the first 10 people. Prompt the user for a name, and if the name is found in the list, display the corresponding phone number. If the name is not found in the list, prompt the user for a phone number, and add the new name and phone number to the list. Continue to prompt the user for names until the user enters quit. After the arrays are full (containing 30 names), do not allow the user to add new entries. Using Scanner.input to prompt user, Use the following names and phone numbers: Gina (847) 341-0912 Marcia (847) 341-2392 Rita (847) 354-0654 Jennifer (414) 234-0912 Fred (414) 435-6567 Neil (608) 123-0904 Judy (608) 435-0434 Arlene (608) 123-0312 LaWanda (920) 787-9813 Deepak (930) 412-0991A personal phone directory contains room for first names and phone numbers for 30 people. Assign names and phone numbers for the first 10 people. Prompt the user for a name, and if the name is found in the list, display the corresponding phone number. If the name is not found in the list, prompt the user for a phone number, and add the new name and phone number to the list. Continue to prompt the user for names until the user enters quit. After the arrays are full (containing 30 names), do not allow the user to add new entries. Use the following names and phone numbers: Name Phone # Gina (847) 341-0912 Marcia (847) 341-2392 Rita (847) 354-0654 Jennifer (414) 234-0912 Fred (414) 435-6567 Neil (608) 123-0904 Judy (608) 435-0434 Arlene (608) 123-0312 LaWanda (920) 787-9813 Deepak (930) 412-0991 This is code that was given to us; import java.util.*; class PhoneNumbers { public static void main(String[] args) { // Write your code here } }