This is needed in Java Given that an ArrayList of Strings named nameList has already been created and names have already been inserted, write the statement necessary to delete the name at index 15.
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- What transpires when a parameter for an array is sent in with either the ref or out keyword, and the results are observed?Try using the ref or out keyword to pass in an array argument and see what happens.Write the statement that declares and instantiates an array of type double using the identifier temperatures that will hold 30 values. Edit View Insert Format Tools Table 12pt v Paragraph v :
- make the array an arraylist instead and include the file you usedWhat is the initial quantity of the ArrayList list?Create an indexception value of unique consonants and unique vowels.This is the Input: String of the name that was given below. It must be case sensitive.Steps:Step A: In every unique vowel of a name, you need to get the first index of that vowel from the original string.Step B: In each vowel index you get from step A, you will get the unique consonant from that position. if the index is out of scope of the consonant array, ignore that vowel index.Step C: In each unique consonant that you get from step B, you need to get the first index of that consonant from the original string.Step D: You will the value of indexception by adding all index you get from step C.output must be like this: > 2 lists that consist of unique vowels and unique consonants> vowel, the vowel index, the consonant, the consonant indexfinal ouput> total indexception value of the name that was given. ------Input "Tricia O. Reyes"Output:Name: Tricia O. ReyesVowels: ['a', 'e', 'i', 'o']Consonants: ['T', 'r',…
- Write the line of code to declare an ArrayList of four integers:The next five questions refer to the following String elements: ["It", "was", "a", "stormy", "night"] Write the code to declare an ArrayList containing these elements. What is the size of the list? What is its type?continue 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…
- Assume you have an unsorted array, and you want to see if an number is in the list. Write the code to determine if an item in in the array.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.The variable cities is an ArrayList of type String. Write the code to output all its elements using an Enhanced for Loop.