Write a java program, I believe the first array should only be changed. In the main method:   Create an array with the values: 99, 55, 87, 21, 3, using any method   Create a second array   Copy the elements of the first array to the second   Change an element of the first array.   Print both arrays

For Java. Create a program that can read N integer numbers, store them in an array and then use a method to calculate and return the average of all numbers. Refer to photo.

Write a java program (class) called Grades to do the following. Must use an array. Ask the user for 20 grades. Get from the user each grade and fill an array with the grades. Find the average of the elements of the array. Print how many grades are smaller than the average. To get you started, your program code will begin as follows: import java. util. *; //includes Scanner public class Grades { public static void main(String[] args) { //begins main method

Write a java program that prompts user for 10 numbers of any type and stores them in an array. Then print the following: All the values in the array. The sum of all values in the array. The average of all values in the array. The largest value in the array. The smallest value in the array. All the positive numbers in array. All the negative numbers in array. All the odd numbers in array. All the even numbers in array.

Needs to br written in java: printPattern (int a) – A void method which takes user input as a parameter and generates 5 multiples of the input and stores the multiples in the array and finally prints the numbers in the following pattern (See expected output)Note: Use the array to print the numbers   Enter a number : 4 Multiples of 4 are stored in an array – [4,8,12,16,20]  4   4 8   4 8 12  4 8 12 16  4 8 12 16 20

Write a Java method (do not write a class, only the method) with the following signature: Return type: void Parameters: 2D integer array Name: printDiagonal Implement the method code that will print out the values of the 2D array along the Diagonal from left to right. For example, if the array had the following values: 56    78    98 21    33    55 98    44    11        The method should print to the console:   56,33,11 The above 2D array example is only given for you to understand the problem Do not hard code the values in your solution or assume the array is the same as the given data. Your method should work for all 2D integer arrays.

THIS IS DONE IN JAVA

Create a Java program that will perform the following statements.Perform the following items in a continuous manner. The code solution for the next item will be basedon the code performed on the previous item.1. Create an ArrayList named “apostles” and add the following names to it: Juan, Pedro, Lucas,Judas, Mateo, Marcos and Simon.2. Print the size of the ArrayList to the standard output before and after adding the names.3. Use two methods to print the names in standard output.a. Using For loopb. Using Iterator4. Add the name “Philip” at the end, and add the name “Thomas” between the two names “Juan”and “Pedro”.5. Remove the name “Judas” using its index position.6. Search the names “Marcos”, “James” and “Judas” in the ArrayList “apostles”This part will display the following:Does “apostles” contains Marcos? _______ (it will return a Boolean result)Does “apostles” contains James? _______Does “apostles” contains Judas? _______7. Sort the names of the ArrayList in alphabetical order.8.…

Use java.

In JAVA Write the method below: Given a two-dimensional array containing integers, create a method called "matrixOperations"  The method should do the following:1. Print out all the numbers in the array row by row (add empty line at the end of the row)2. For each row, print out the length of the row (each row is an array, remember)