Create java program with a declaration of int x = {1,2,3,4,5,6,7,8,9,10} that swaps the values 4 and 6 Note: add comments to the code
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- JAVAWrite a program that will add and remove the following name and phone number list. (List on image below) Once lists of names and phone numbers are added to the program, the program will ask a user whether there is an item to be removed or not. If it is, it will be removed. Otherwise, the program is terminated. The program will delete items continuously if requested. The result of the program looks like following:Create a class with [3][3] dimension and the java programshould display the magic square. Kindly explain each statement that you will use.T/F A Java main method uses the parameter (String[ ] variable) so that a user can run the program and supply“command-line” parameters. Since the parameter is a String array, however, the user does not have to supply anyparameters.
- write java statement to shift the content of each cell of an integer array one place to the right, except for the content of the last cell, which should be moved into the cell with subscript 0. Thus for example, if the array looks like this: 0 1 2 3 4 5 2 9 3 7 then the array will be changed to look like this: 0 1 2 3 4 7 5 2 9 3Instructions Insurance.java >- Terminal + 1 import java.util.Scanner; sandbox $ 0 2 class Insurance { The Harrison Group Life Insurance company computes public static void main (String args[]) { // Write your code here annual policy premiums based on the age the customer 4 turns in the current calendar year. The premium is } computed by taking the decade of the customer's age, adding 15 to it, and multiplying by 20. 7 public static int calculatePremium(int curr, int birth) { 8 // Write your code here } For example, a 34-year-old would pay $360, which is calculated by adding the decades (3) to 15, and then 10 } 11 multiplying by 20. Write an application that prompts a user for the current year then a birth year. Pass both to a method that calculates and returns the premium amount, and then display the returned amount. An example of the program is shown below: Enter the current year >> 2020 Enter the birth year >> 2001 The premium is $320 Grading Write your Java code in the area on the…Java - Encapsulation A rectangle can be formed given two points, the top left point and the bottom right point. Assuming that the top left corner of the console is point (0, 0), the bottom right corner of the console is point (MAX, MAX) and given two points (all “x” and “y” coordinates are positive), you should be able to draw the rectangle in the correct location, determine if it is a square or a rectangle, and compute for its area, perimeter and center point. To be able to do this, you should create a class Point (that has an x-coordinate and a y-coordinate). Also, create another class called Rectangle. The Rectangle should have 2 points, the top left and the bottom right. You should also implement the following methods for the Rectangle: display() - draws the rectangle on the console based on the samplearea() - computes and returns the area of a given rectangleperimeter() - computes and returns the perimeter of a given rectanglecenterPoint() - computes and returns the center point…
- IN JAVA Create a function that takes a string and returns the number of alphanumeric characters that occur more than once. Examples duplicateCount ("abcde") → 0 duplicateCount ("aabbcde") → 2 duplicateCount ("Indivisibilities") → 2 duplicateCount ("Aa") → 0 // Case sensitive1- Write a java Program to read a number from user and print full pyramid using numbers which will repeat the number in the same row. Note : use JOptionPane class to read the number and print the pyramid . Test Data Input number of rows: 4 1 22 3 33 4444UOWD Library is asking you to write a Java program that manages all the items in the Library. The library has books, journals, and media (DVD for example). All items have a name, author(s), and year of publication. A journal also has a volume number, while a media has a type (audio/video/interactive). The user of your program should be able to add an item, delete an item, change information of an item, list all items in a specific category (book, journal, or media), and print all items (from all categories). A menu asks the user which operation s/he wants to perform. Important: make use of collections, inheritance, interfaces, and exception handling wherever appropriate.
- for java please Please submit the pseudocode of your program for your project below. Need a class which will contain: Student Name Student Id Student Grades (an array of 3 grades) A constructor that clears the student data (use -1 for unset grades) Get functions for items a, b, and c, average, and letter grade Set functions for items a, n, and c Note that the get and set functions for Student grades need an argument for the grade index. Need another class which will contain: An Array of Students (1 above) A count of number of students in use You need to create a menu interface that allows you to: Add new students Enter test grades Display all the students with their names, ids, test grades, average, and letter grade Exit the program Add comments and use proper indentation. Nice Features: I would like that system to accept a student with no grades, then later add one or more grades, and when all grades are entered, calculate the final average or grade. I would like the system…1- Write a java Program to read a numberfrom userand print full pyramid using numbers which will repeat the number in the same row. Note : use JOptionPane class to read the numberand print the pyramid. Test Data Input number of rows: 4 22 333 4444HangmanAA.java For this program, you will create the game Hangman. (If you are unsure of how to play Hangman, Google it.) The game will start by asking player 1 for a word or phrase (can be multiple words). Then player 1 will be asked how many missed guesses are allowed by player 2. Once this information is received, player 2 will take over. (Have the program print many blank lines of space so that player 2 can’t see what player 1 entered.) The instructions should be displayed for player 2 as well as the number of misses they’re allowed to make before they lose the game. The screen should also output dashes or underscores to represent each letter of player 1’s secret word/phrase. Player 2 should guess one letter at a time. Case should not matter. Typing x or X should give the same result. If that letter is present in the mystery phrase, then it should be displayed. (It will replace the dash/underscore in that spot. Spaces, punctuation, and all other non-alphabetic characters should…