Use Java program N (the number of subject marks)Marks[ ] (Array to store marks of students with maximum size of 20Member variables:element)Total (the total mark of student)Average (the average mark of student )Member Methods :a. Input () :Create a method called Input () which accept N marks and (1 Mark)store it in the Array.b. Output _Marks ():Create a Output_ Marks () method which will display all (1Mark)the marks stored in the array.Create a Calculate Total Average() method which (2 Marks)с.Calculate Total Average(): calculates the Total mark ,Average mark and display themto the userCreate a driver or control class called Mark Main. In this class, the main method is used tocall the methods Input (), Output_ Marks () and Calculate Total Average()(1 Mark)

Java code: import java.util.Scanner;public class Mark_Main { int n; int marks[]; int total;…

Answered: Use Java program

Engineering

Computer Science

Use Java program

EBK JAVA PROGRAMMING

9th Edition

ISBN:9781337671385

Author:FARRELL

Publisher:FARRELL

Chapter9: Advanced Array Concepts

Section: Chapter Questions

Problem 7PE

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Shift Left k Cells Consider an array named source. Write a method/function named shiftLeft( source, k) that shifts all the elements of the source array to the left by 'k' positions. You must execute the method by passing an array and number of cells to be shifted. After calling the method, print the array to show whether the elements have been shifted properly. Example: source=[10,20,30,40,50,60] shiftLeft(source,3) After calling shiftLeft(source,3), printing the array should give the output as: [ 40, 50, 60, 0, 0, 0 ]
Write method body of following methods: InsertNum(int num) // The function takes a number from user as input and it is intelligent enough to place the number at desired index of an array. For example if array has values from 1,3,5,7 and user entered 6 so the function will place 6 after 5 and before 7. (Use While Loop) InsertNum(int num,int position) // This function takes number and position from user and then place the number at desired position of array. Remember to ask from user if there is already a number at that position. (Code in C++)
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1. Shift Left k Cells Use Python Consider an array named source. Write a method/function named shiftLeft( source, k) that shifts all the elements of the source array to the left by 'k' positions. You must execute the method by passing an array and number of cells to be shifted. After calling the method, print the array to show whether the elements have been shifted properly. Example: source=[10,20,30,40,50,60] shiftLeft(source,3) After calling shiftLeft(source,3), printing the array should give the output as: [ 40, 50, 60, 0, 0, 0 ]
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Use Java programming language Write a program that asks the user to enter 5 test grades (use an array to store them). Output the grades entered, the lowest and highest grade, the average grade, how many grades are above the average and how many are below and the letter grade for the average grade. Create a method that returns the lowest grade. Create a method that returns the highest grade. Create a method that returns the average grade. Create a method that returns how many grades were above the average. Create a method that returns how many grades were below the average. Create a method that returns the letter grade of the average (90-100 – A, 80-89 – B, 70-79 – C, < 70 – F)
Multi-Dimensional Arrays Create a multi-dimensional array of size 20 by 20. Create the following methods; • Create Board: This method will create the multi-dimensional array and initialize the values to zeros, such as this; 00000000000000000000 00000000000000000000 00000000000000000000 etc • Place Ship: This method will accept as parameters the starting coordinates of the ship, the type, and the direction. (vertical or horizontal) Then it will place the ship on the board by updating the array values to be dash characters, such as this " - " The ships: One Battleship of length 8 o One destroyer of length 2 o Two cruisers of length 4 each O • Print Board: This method will output the contents of the board. Where there are ships, the dash character will be printed, where there are no ships, the zero character will be printed. • Fire: This method will accept two coordinates from the user. If there is a ship at that location, it will update the value to X for a hit. If there is no ship, it…
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