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- Java Problem: Implementing a method to print a cell's neighbors on a 2D array. The method's header is provided. The main method (do not alter it)w ill read N numbers to create the 2D array and it will call the method for you. Do not go out of the bounds of the 2D array. I have attached what it should look like with the following input: 4 4 1 2 3 4 7 8 9 10 13 14 15 16 19 20 21 22 2 2 Code I have so far: import java.util.Arrays;import java.util.Scanner;public class Problem3 {public static void printNeighbours(int[][] data, int row, int col){}public static void main(String[] args) {Scanner kb = new Scanner(System.in);int[][] data = new int[kb.nextInt()][kb.nextInt()];for (int i = 0; i < data.length; i++) {for (int j = 0; j < data[0].length; j++) {data[i][j] = kb.nextInt();}}System.out.println("The 2D Array:");for (int[] cols : data) {System.out.println(Arrays.toString(cols));}int row = kb.nextInt();int col = kb.nextInt();System.out.printf("The centre point is: %d %d…Description Write a Java program, called LinearSearch1 that contains a static method called findElement() that accepts a double array and a double as its parameters and return a boolean value if the double number entered is contained in the double array. In the main method you should use user input to take the element you wish to search for in the array. There is code there for your array, DO NOT CHANGE THIS CODE. Your program should call findElement() to check for the occurence of the double number entered in the array. You should print an appropriate message to the screen if the element is found. Output A message stating if the element is found. Sample Input 1 678.954 Sample Array 1 345.6 678.954 234.534 -89.23 Sample Output 1 678.954 was found in the array Sample Input 2 65.45 Sample Array 2 345.6 678.954 234.534 -89.23 Sample Output 2 65.45 was NOT found in the arrayJava: Write a complete method to create an array of random integers. Method Specification The method takes in three integer parameters: the array size, the lower bound, and the upper bound. The method also takes in a boolean parameter. The method creates and returns an integer array of the specified size that contains random numbers between the lower and upper bound., using these rules: The lower bound is always inclusive. If the boolean parameter is true, the upper bound is also inclusive. If the boolean parameter is false, the upper bound is not inclusive (meaning it is exclusive). If any of the parameters are invalid, null is returned. Driver/Tester Program I have provided you with a driver/tester program that you can use to test your code before submitting. Paste your code into the placeholder at the top of the file. I strongly recommend running this program before you submit your homework. The program is designed to help you catch common errors and fix them before submitting.…
- Java: Write a complete method to create an array of random integers. Method Specification The method takes in three integer parameters: the array size, the lower bound, and the upper bound. The method also takes in a boolean parameter. The method creates and returns an integer array of the specified size that contains random numbers between the lower and upper bound., using these rules: The lower bound is always inclusive. If the boolean parameter is true, the upper bound is also inclusive. If the boolean parameter is false, the upper bound is not inclusive (meaning it is exclusive). If any of the parameters are invalid, null is returned. Driver/Tester Program I have provided you with a driver/tester program that you can use to test your code before submitting. Paste your code into the placeholder at the top of the file. Review the Homework FAQ page, which contains instructions and a video of how to use the provided file. If you aren't sure how to use the tester or have any…Pseudocode for Java code Write the algorithm in pseudocode for a method that accepts three parameters: an integer array, an integer representing the number of valid values in the array, and an integer representing a factor. The method will count the number of valid values in the array that are multiples of the factor and will return the count. There is a Java operator that might be very helpful in solving this problem. Testing Above problem: Assuming that the first two parameters are an array containing 4, 10, 15, 12, 8, 20, 100, 25, 32, 7, 28, and 48 and the number 12, come up with three good test cases for the factor and the return value. factor numMultiplesProblem 1: Complete the sumOfDiagonals method in SumOfDiagonals.java to do the following: The method takes a 2D String array x as a parameter and returns no value. The method should calculate and print the sum of the elements on the major diagonal of the array x. In order to have a major diagonal, the array passed into the method should be a square (n-by-n), if it's not a square your program should handle that situation by throwing an exception. (Do Not worry about ragged arrays) If the array is a square, but there is a non-integer value on the major diagonal, your program should handle that situation by throwing an exception. When handling the exceptions, be as specific as you can be, (i.e. Do Not just use the Exception class to handle all exceptions in one catch block). Make the proper calls to the sumOfDiagonals method from the main method to test your sumOfDiagonals method on all the String arrays provided in the main method.
- In java when an array is passed to a method, what does the method receive? A. The reference of the array B. A copy of the array C. Length of the array D. Copy of first elementQuestion: 1. Write a method that has an int parameters. Creates an array of integers of that size. Reads in values for the array from the user. Returns the newly created array. 2 Write a method that given an array of integers.returns the index of the smallest integer.Method Overloading is a feature that allows a class to have two or more methods having same name, if their argument lists are different. Argument lists could differ in: 1. Number of parameters. 2. Data type of parameters. 3. Sequence of Data type of parameters. Write different version of method sum() that display the sum of the values received as parameter according to the following main method content: public static void main(String[] args) { sum ( 10, 10 ); sum ( 10, 10, 10 ); sum ( 10.0, 10.0 ); sum ( 10, 10.0 ); sum ( 10.0, 10); } You have to define five functions with the specified types. Then, demonstrate the Argument Promotion concept by reducing the number of method to two.
- Problem: Write a method that will determine whether a given value can be made given an array of coin values. For example, each value in the array represents a coin with that value. An array with [1, 2, 3] represents 3 coins with the values, 1, 2, and 3. Determine whether or not these values can be used to make a desired value. The coins in the array are infinite and can only be used as many times as needed. Return true if the value can be made and false otherwise. Dynamic Programming would be handy for this problem. Data: An array containing 0 or more coin values and an amount. Output: Return true or false. Sample Data ( 1, 2, 3, 12, 5 ), 3 ( 4, 15, 16, 17, 1 ), 21 ( 1 ), 5 ( 3 ), 7 Sample Output true true true falseExercise (Array and Method): Write a method called arrayToString(), which takes an int array and return a String in the form of {a1, a2, ..., an}. Take note that there is no comma after the last element. The method's signature is as follows: public static String arrayToString(int[] array) Also write a test driver to test this method (you should test on empty array, one-element array, and n-element array). Notes: This is similar to the built-in function Arrays.toString(). You could study its source code. Exercise (Array and Method): Write a boolean method called contains(), which takes an array of int and an int; and returns true if the array contains the given int. The method's signature is as follows: public static boolean contains(int[] array, int key) Also write a test driver to test this method. Exercise (Array and Method): Write a method called search(), which takes an array of int and an int; and returns the array index if the array contains the given int; or -1 otherwise. The…1) Write a method that returns the range of an array of integers. The range is the difference between the highest and lowest values in the array. The signature of the method should be as follows. public static int computeRange(int[] values)