You have been provided with the following elements • Sheunesu • Katlego • Andries • Buhle • Avinash Write a Java program in NetBeans that creates a LinkedHashSet. Your Java program must use the methods in the LinkedHashSet interface to do the following: 2.1 Add the above elements into the LinkedHashSet 2.2 Display all the elements in the LinkedHashSet
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![Question 2
You have been provided with the following elements
• Sheunesu
• Katlego
• Andries
● Buhle
● Avinash
Write a Java program in NetBeans that creates a LinkedHashSet. Your Java program must
use the methods in the LinkedHashSet interface to do the following:
2.1 Add the above elements into the LinkedHashSet
2.2 Display all the elements in the LinkedHashSet
2.3 Get the size of the LinkedHashSet and display it to the user.
2.4 Remove the fourth element in the LinkedHashSet](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F710ca181-982f-4144-97b6-9867655c63b5%2F005e4d73-4aa5-408a-b060-d8f276b6531c%2F9vhz7yh_processed.png&w=3840&q=75)
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- create an array of 3 Circle object references with radius = 1, 2 and 3 respectively. it should look like: Circle: radius = 1.00 area = 3.14 circumference = 6.28 then create one Circle reference called circle here. Assign 3 radii to the object: 10, 12 and 14 respectively. Print out should look like Circle: radius = 10.00 area = 314.16 circumference = 62.83Create integer ArrayList. Ask user input for integer, which is used to append the elements for that number of times. Create a Java method named "repetition" which will pass two parameters – ArrayList and integer entered by user. In the method, elements are replicated for the number of times based on the value of the integer. For example, If you have an ArrayList with the values [21,25, 5] and the user inputs 3, the repetition method should print the value -- [21,25, 5,21,25,5,21,25,5]In Java MailBox- client:String- emails: Email[]- actualSize: int+ Mailbox()+ Mailbox(client:String)+ getClient(): String+ getEmail(int index): Email+ getActualSize(): int+ addEmail(email: Email): void+ sortEmailsByDate(): void+ findEmail(year:int: Email+ countUrgent():int+ toString(): String Write java code for all the methods shown on the class diagram. Below arethe details needed for the different methods:a. The default constructor will assign the client a default name (any value ofyour choice). Keep in mind that a single mailbox (e.g., gmail) can handle amaximum of 15 emails, but it can hold less, which is the actual size of theemails array. So, the constructor should instantiate the emails arrayinstance variable by creating an array of size 15. It should also set theactualSize variable to 0.b. The MailBox (String client) constructor should call the default constructorusing chaining. It should then initialize the client variable using the clientparameter.c. The toString method…
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- Java programming Write a method that counts the number of all elements that are multiples of the number 2 and not the number 4, or have at least one digit 2. The numbers are limited to 1 and 10000 (inclusive). The method receives an integer field as a parameter and returns the number of these numbers as an integer.Let's look at an example:array:14, 210, 360, 41, 57, 6, 121result:4Create a file named StudentArrayList.java, within the file create a class named StudentArrayList. This class is meant to mimic the ArrayList data structure. It will hold an ordered list of items. This list should have a variable size, meaning an arbitrary number of items may be added to the list. Most importantly this class should implement the interface SimpleArrayList provided. Feel free to add as many other functions and methods as needed to your class to accomplish this task. In other words, the class StudentArrayList must implement the interface SimpleArrayList. You have to write the code for each of the functions specified in the SimpleArrayList interface. Make sure the class that implements SimpleArrayList is named "StudentArrayList" or else the test code will not compile. All of the documentation for the function guidelines may be found in the interface. This assignment can be a lot of programming if you do not follow the DRY (Don't Repeat Yourself) programming principle.…this is an android app with android studio . package com.example.myapplication;import androidx.appcompat.app.AppCompatActivity;import android.os.Bundle;import android.widget.ListView;public class PlayerActivity2 extends AppCompatActivity {ListView simpleList;String SerialNo[] = {"1", "2", "3", "4", "5", "6","7","8","9","10"};int flags[] = {R.drawable.image1, R.drawable.image2, R.drawable.image3, R.drawable.image4, R.drawable.image5, R.drawable.image6, R.drawable.image7, R.drawable.image8, R.drawable.image9, R.drawable.image10};String Names[] = {"mmm", "nnn", "aaa.", "bbb", "ccc", "ddd","eee jk"," ijk","Virgil jk","gil jklk"};String Score[] = {"1", "2","3", "5", "4", "3","5","5","5","5"};@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity2);simpleList = (ListView)findViewById(R.id.simpleListView);//ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this, R.layout.activity_listview,…