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:
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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:
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- 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"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 0 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 Result int[] x = (1, 2, 3}; verify(x); {5}; verify(x); int[] x = {1, 2, 3, -5, -1}; boolean b = verify(x); int[] x = new int[0]; verify(x); false boolean b = int[] x = boolean b = false true false boolean b = BIU A Paragraph +vWrite a Java program to work with two arrays and perform operations on them. Your program should have 2 methods: int[] union (int[] al, int[] a2): takes two integer arrays and returns a new integer array consisting of all ints that appear in either a1 or a2. The returned array should be appropriately sized and should contain any duplicate ints since everything from both a1 and a2 should be in there. The returned array should not have any empty spots and should be sorted numerically. ● ● int[] intersection (int[] al, int[] a2): takes two integer arrays and returns a new integer array consisting of all ints that appear in both a1 and a2. The returned array should be appropriately sized and sorted numerically, and it should not contain any duplicate ints or empty spots. For example, when a1 = {1,2,3,4,5} and a2 {1,5,6,7,8}, union (al, a2) will return {1,1,2,3,4,5,5,6,7,8} and intersection (al, a2) will return {1,5}. = Provide the following menu using a do..while loop in the main method to…
- 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 ParagraphUse Java programming. Write the removeEvens() method, which receives an array of integers as a parameter and returns a new array of integers containing only the odd numbers from the original array. The main program outputs values of the returned array. Hint: If the original array has even numbers, then the new array will be smaller in length than the original array and should have no blank elements. Ex: If the array passed to the removeEvens() method is [1, 2, 3, 4, 5, 6, 7, 8, 9], then the method returns and the program output is: [1, 3, 5, 7, 9] Ex: If the array passed to the removeEvens() method is [1, 9, 3], then the method returns and the program output is: [1, 9, 3] import java.util.Arrays; public class LabProgram { public static int[] removeEvens(int [] nums) { /* Type your code here */} public static void main(String[] args) { int [] input = {1,2,3,4,5,6,7,8,9};int [] result = removeEvens(input); // Helper method Arrays.toString() converts int[] to a…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 false
- FOR JAVA // Question is the first one, try to solve it by using the second question. Repeat the second question, but if there are multiple occurrences of the number, your program must return the largest index instead of the small- est. Write a method that takes a one dimensional integer array and an integer, and returns the index of the integer in the array. If the integer is not in the array, your program must return -1. If there are multiple occurrences of that number, your program must return the smallest index.java 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.FOR JAVA Write a method that takes an integer array, prints the elements that are divisible by 3 and returns the sum of these elements. Write a method that takes an integer array and returns the difference between the sum of even indexed elements and the sum of odd indexed elements in that array. Write a method that takes a String array and an integer as parameters and prints the Strings in the array whose length is greater than the second parameter. Write a method that takes two integer arrays, and returns a new array by taking the intersection of the two arrays.
- Write a Java program (One class with a main method) to do the following: 1. Ask the user to enter an integer (n) 2. Declare an array of size n with double data type. 3. Ask the user to enter the values of the array. 4. Create another array with of size n with integer data type. 5. Make a copy of the first array to the second array but in reverse order (e.g., the last element in the first array should be store in the first element in the second array and so on). 6. Output values stored in the two arrays. 7. Find and output how many odd values in both arrays are equal based on the index number, i.e. count matching values of two arrays based on same index value AND the element value of the array. Sample Input/output Enter n:4 Enter array values: 1234 First Array :1 234 Second Array:4 321 # of Equal values = 0 Enter n:5 Enter array values: 12345 First Array :1 2345 Second Array:5 4321 # of Equal values = 1First, 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:public class CheckSequence{public static void main(String[] args){int[][] array1 = {{5,6,7,8},{9,10,11,12},{13,14,15,16}, {17,18,19,20}};int[][] array2 = {{1, 3 , 2,4},{5,6,7,8},{9,10,11,12},{13,14,15,16}};if (isSequence(array1)){System.out.println("The following array elements are successive:");printArray(array1);}if (isSequence(array2)){System.out.println("The following array elements are successive:");printArray(array2);}}}Write a Java program (One class with a main method) to do the following: 1. Ask the user to enter an integer (n) 2. Declare an array of size n with integer data type. 3. Ask the user to enter the values of the array. 4. Create another array with of size n with integer data type. 5. Make a copy of the first array to the second array but in reverse order (e.g., the last element in the first array should be store in the first element in the second array and so on). 6. Output values stored in the two arrays. 7. Find and output how many values in both arrays are equal based on the index number, i.e. count matching values of two arrays based on same index value AND the element value of the array. Sample Input/output Enter n:4 Enter array values: 1234 First Array :1 234 Second Array:4 321 # of Equal values = 0 Enter n:5 I Enter array values: 12345 First Array :1 2345 Second Array:5 4321 # of Equal values = 1