First, write a Java method issequence that takes as parameters a non-empty 2-dimensional array of integers. The method checks whether the elements of the array are consecutive or not. Second, write a java methods printarray(int[][]a) that writes the elements of an array passed in parameter to the standard output.
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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…First, write a Java method isSequence that takes as parameters a non-empty 2-dimensional array of integers. The method checks whether the elements of the array are consecutive or not.Second, write a java methods printArray(int[][]a) that writes the elements of an array passed in parameter to the standard output.Finally, use the following main method to test your different methods:Write a Java method that takes an array of type int and returns a boolean value. The method returns true if the number of positive elements in the parameter array is larger than the number of negative elements. The method returns false if any of the following conditions is satisfied: • The parameter array is of length of O or 1 • The number of positive elements of the parameter array is less than or equal to the number of negative elements • The number of positive elements or negative elements is equal to zero The method's header is as follows. public static boolean verify (int[] x) Sample run int[] x = boolean b = Result {1, 2, 3}; false verify(x); int[] x = (5}; boolean b = false verify(x); int[] x = {1, 2, 3, -5, -1}; verify(x); int[] x = new int[@]; verify(x); true boolean b% = false boolean b% = +v Paragraph
- In java, Write a method checks if a given matrix is a unit matrix. An N x N unit matrix is a matrix of N rows and N columns where all the diagonal elements are ‘1’s and all the remaining elements are ‘0’s. The method should take a 2D array of integers as argument and return a Boolean which is true/false depending on whether the matrix corresponding to the 2D array is a unit matrix or not. Test the method in the ‘main’ method. For problems asking for 'methods', you need to write the method, and the 'main' method which is used as a 'driver' to test the given method.Write a recursive method that takes as parameter as array of type double (num) and the length of the array (len). The method should display the square root of numbers that are greater than 10.0 in the array. The method prototype is: public static void display(double [] num, int len); You may use sqrt method that is defined in the Math class.Programming exercise (in java eclipse, please add comments for each step). Write a complete Java program named FindProduct that contains the following: a. A main method asks the user to provide the number of rows and columns for a 2-dimensional array of integers. b. A main method calls the getArray() method that creates the 2D array of specified size and populates it with random values from 0 to 100. c. A main method prints the elements of the 2D array created by getArray(). d. A main method calls the printProduct method that will: i. Receive the two-dimensional array as input ii. Calculate the product of elements in each row of the array iii. Display the product on the Console. The product of all elements in each row should be formatted as "Row 1 Product XXXX"
- 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 falsejava In this task, you need to write 2 overloaded methods findMax() that will find a maximum number in the array. First version should work with array of integers (int[]) and return int, and second method should work with an array of doubles (double[]) and return double as a result. Methods must have the same name and different parameters.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.
- write a java method with followin instraction : Write a method called prioritizeQueue to give priority for vaccination for elderly persons. The method is to be in a class called VaccinationQueue and has two parameters q1 and q2 type ArrayQueue. The q1 and q2 data are of type Integer. Assume that initially q1 is not empty and q2 is empty. The method will insert from q1 those elements towards the beginning of the queue (front) q2 whose data is greater than or equal to 45 and will insert those elements whose data is less than 45 and greater than or equal to 18 towards the end (rear) of q2. Any data item less than 18 of q1 will not be inserted in q2. It returns the number of elements added to q2. Class ArrayQueue and all its methods including iterator are available for use. You can also create temporary queues. You are not allowed to use arrays or any other data structure. Example: Before method call: front rear q1: 14 25 50…Write a program to test your implementation by reading data related to 50 Car objects and store them in an array ARR of Car. Your program should include:a. A method Search() that takes as parameters an array of Car objects ARR and a Car object C. This method should return true if C is inside ARR, false otherwise. b. A method findCylinders that takes as parameters an array of Car objects ARR and number of cylinder engine N. It should display all the cars that have N cylinder engine.Correct the following wrong statements. In Java, method overloading means that a program may contain more than one method with same signatures. Each column in a 2D array could be dealt with as 1D array.