Write a java program that declares an array to hold 12 integers. The contents of the array should be the values 2,4,6,8,10,12,14,16,18,20,22,24. Use a for-loop to initialize the contents of the array to these values. After initializing the array to these values, the program should display the contents of the array. Suggested output: The contents of the array is: Index Value 0 2 1 4 Etc…..
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Write a java
Suggested output:
The contents of the array is:
Index Value
0 2
1 4
Etc…..
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- Write a program that grades arithmetic quizzes as follows: (Use the below startup code for Quizzes.java and provide code as indicated) Ask the user how many questions are in the quiz. Use a for loop to load the array. Ask the user to enter the key (that is, the correct answers). There should be one answer for each question in the quiz, and each answer should be an integer. They can be entered on a single line, e.g., 34, 7, 13, 100, 8 might be the key for a 5-question quiz. You will need to store the key in an array called “key”. Ask the user to enter the student’s answers for the quiz to be graded. There needs to be one answer for each question. Note that each answer can simply be compared to the key as it is entered. If the answer is correct, add 1 to a correct answer counter. Do this in a separate for loop from the loop used to load the array. When the user has entered all of the answers to be graded, print the number correct and the percent correct. When this works, nest your for…Write a Java program that asks the user to enter the size for an Array. Then fill the array with the arithmetic series that starts at 3.5 and goes up by 3. (Hint: use for loop). Display the sum of all the numbers in the array. Display the Average of all the numbers in the array.Write a Java program to find all triplets (three numbers whose sum equal a given sum (16) from an unsorted array of integers. Read the text file (“triplets.txt”) into an array. This file has 14 rows. Then find all of the combinations of three numbers that sum to 16. Use a main method to read in the data to an array and a second method that will use nested loops to count the numbers of triplets. Your output should look like the following: Original array: [1, 6, 3, 0, 8, 4, 7, 5, 2, 11, 9, 14, 15, 10] Triplets of sum 16 (0 1 15) (0 2 14) (0 5 11) (0 6 10) (0 7 9) (1 4 11) (1 5 10) (1 6 9) (1 7 8) (2 3 11) (2 4 10) (2 5 9) (2 6 8) (3 4 9) (3 5 8) (3 6 7) (4 5 7) Triplets.txt 163084752119141510
- Write a Java program named Findletter that asks the user to enter 10 letters and store them in an array. Then it should ask the user to enter a letter (char value) to search for it. Then, if the entered letter is found, the program should display the message "The letter is in the array", otherwise it should display the message "The letter is not in the array".(in Java language) Write a method that is inspired by a photo app that does the following. Ask the user to enter a size of array between 2 to 10. Based on the size entered, write a loop which asks the user to fill values into an integer array. Print the array contents using Arrays.toString(). For this integer array, write a logic that returns true if there exists a place to split the array such that the sum of the numbers on one side is equal to the sum of the numbers on the other. Otherwise return false. Examples: If the array is {1, 1, 1, 2, 1} then return true. If the array is {2, 1, 1, 2, 1} then return false If the array is {10, 10} then return true.Write a program that allows students to schedule appointments at either 1,2,3,4,5 as days of the week; 1 for Monday, 2 for Tuesday and so on. Use an array of five strings to store the names for the time slots. Write a loop that iterates as long as the array has a free space. Within a try block, allow the user to enter a day and a name. If the day is free, put the name in the array. If the day is not free, throw an Exception. If the day is not valid, throw another exception. Use catch block for each different kind of exception. Ex: Enter Day: 1Monday is available, enter Name: Tomas[Tomas, , , , ]Enter Day: 3Wednesday is available, enter Name: Sheldon[Tomas, ,Sheldon, , ]Enter Day: 3Wednesday is not available, choose other day: 2Tuesday is available, enter Name: Raj[Tomas,Raj,Sheldon, , ]Enter Day: 4Thursday is available, enter Name: Leonard[Tomas,Raj,Sheldon,Leonard, ]Enter Day: 0Invalid DayEnter Day: AInvalid DayEnter Day: 5Friday is available, enter Name:…
- Write a program that allows students to schedule appointments at either 1,2,3,4,5 as days of the week; 1 for Monday, 2 for Tuesday and so on. Use an array of five strings to store the names for the time slots. Write a loop that iterates as long as the array has a free space. Within a try block, allow the user to enter a day and a name. If the day is free, put the name in the array. If the day is not free, throw an Exception. If the day is not valid, throw another exception. Use catch block for each different kind of exception.Write a java program that: Declare an array capable of holding 4 integers. It must be 4 integers only in the declaration. int[ ] array = new int[4]; Loop prompting the user to enter values to insert into the array until they enter a -1. For simplicity, we will assume users will only enter values greater than 0. You will need to check to see if the array is full before inserting the value in the next available spot in the array. If the array is full you will need to invoke the method, public static int[] expandArray(int[ ] array) that will double the size of the array and copy in the contents of the array. Include the method public static void displayArray(int[ ] array) that will display the contents of the array. Your main will contain the loop that prompts user to enter a value or -1 to indicate to quit. User will only enter values greater than 0. Insert the value into the next available slot in the array. You need to check to see if there is room in the array prior to…Write a java program that reads the integers between 1 and 10 and counts the occurrences of each. Assume the input ends with 0. Use an array to keep track of occurrences. (See RollDice program for similar problem.) Here is a sample run of the program: Enter the integers between 1 and 10: 1 3 5 4 2 1 7 8 4 4 2 1 0 1 occurs 3 times 2 occurs 2 times 3 occurs 1 time 4 occurs 3 times 5 occurs 1 time 7 occurs 1 time 8 occurs 1 time
- Write a Java program that creates an array data of size 8, representing a binary number of 8 bits. The user must fill/enter the elements of this array only by inputting 0 or 1. If the user enters any different number, the program must display “Invalid data” message. If all entered digits are valid binary digits, the program must calculate and output the special decimal number represented by this binary number as shown in the below example: If the array data is 1 | 0 | 1 1 0 0 0 0 Result=1X2°+ 0X2'+ 1X2%+ 1X2'+ 0X2'+ 0X2°+ 0X2°+ 0X2 Result = 1 L3 0 + 4 + 8 + 0 + 0 + 0 + 0 = 13 Then the result is calculated by multiplying the value of the data array at each index with the result of 21 then adding all the answers. (shown in the above example) Sample runl: Enter the digits consisting of (0s or 1s): 2 5413257 Invalid data Sample run2: Enter the digits consisting of (0s or 1s): 1 111000 2 Invalid data Sample run3: Enter the digits consisting of (0s or 1s): 11110000 The number in decimal is…Write a menu driven program that reads an array of 10 integer from standard keyboard (user) utilizing a loop and outputs the following depending on user's choice • Choice 1 - Prints the elements of array . Choice 2 - Prints the minimum value of the array Choice 3 - Prints the maximum value of the array Choice 4 - Prints the product of all the numbers utilizing aloop. Choice 5 - Prints the sum of all the numbers utilizing a loop Choice 6- Print the elements of array in a reverse order When the program is done, your program should ask the user if they would like to enter another set of 10 numbers and the program should repeat itself. Input validation: Your program should only accepts integers.Write a java program that:1. Prompts the user to enter an integer representing the size of an array of integers2. Fills the array with integers from the user3. Creates an array of integers to hold the differences between two consecutive elements, fills it accordingly and displays itExample: In the below sample run, the array is of size 7 and is filled using values entered by the user with the below integers. The array of differences contains -10 which is (22 – 32), 2 which is (32 – 30), -18 which is (30 – 48) and so forth.Sample Run:Enter the size of the array: 7Enter 7 integers: 22 32 30 48 54 26 21Differences: -10 2 -18 -6 28 5