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- Write a program that creates a 2-D array initialized with test data . Use any primitive type of data EXCEPT int (Integer). The program should have all methods in the problem. getTotal - This method should accept a two-dimensional array as its argument and return the total of all the values in the array. getAverage - This method should accept a two-dimensional array as its argument and return the average of all the values in the array. getRowTotal. - This method should accept a two-dimensional array as its first argument and an integer as its second argument. The second argument should be the subscript of a row in the array. The method should return the total of the values in the specified row. getColumnTotal - This method should accept a two-dimensional array as its First argument and an integer as its second argument. The second argument should be the subscript of a column in the array. The method should return the total of the values in the specified column.…Method Details: public static java.lang.String getArrayString(int[] array, char separator) Return a string where each array entry (except the last one) is followed by the specified separator. An empty string will be return if the array has no elements. Parameters: array - separator - Returns: stringThrows:java.lang.IllegalArgumentException - When a null array parameter is providedJava Given a 2 dimensional array, write a method to return the average of each row. The result must be returned as a one dimensional array. The array may be ragged. For example: int[][] my2DArray = { {2,5,5}, {2,6,8,4}, {6,5,2,3} } The result should be: int[] myArrayAverage = { 4, //Average of {2,5,5} 5, //Average of {2,6,8,4} 4 //Average of {6,5,2,3} } Note: You only need to write down the code inside the myMethod() code block public class CST1201Test3 { public static void main(String[] args) { int[][] my2DArray = { {2,5,5}, {2,6,8,4}, {6,5,2,3} }; int[] myArrayAverage = myMethod(my2DArray)); } static int[] myMethod(int[][] numbers) { // your answer } }
- Write a public static method named printArray, that takes two arguments. The first argument is an Array of int and the second argument is a String. The method should print out a list of the values in the array, each separated by the value of the second argument. For example, given the following Array declaration and instantiation: int[] myArray = {1, 22, 333, 400, 5005, 9}; printArray(myArray, ", ") will print out 1, 22, 333, 400, 5005, 9printArray(myArray, " - ") will print out 1 - 22 - 333 - 400 - 5005 - 9 You may wish to write some additional code to test your method. -------------------------------------------------- // import any necessary packages here below public class Main { public static void main(String[] args) { // write any code to test you method(s) here below } // define your method(s) here below }Define an array to be a 121 array if all elements are either 1 or 2 and it begins with one or more 1s followed by a one or more 2s and then ends with the same number of 1s that it begins with. Write a method named is121Array that returns 1 if its array argument is a 121 array, otherwise, it returns 0. There is one additional requirement. You should return 0 as soon as it is known that the array is not a 121 array; continuing to analyze the array would be a waste of CPU cycles. If you are programming in Java or C#, the function signature isint is121Array(int[ ] a) If you are programming in C or C++, the function signature isint is121Array(int a[ ], int len) where len is the number of elements in the array a. Examples a is then function returns reason {1, 2, 1} 1 because the same number of 1s are at the beginning and end of the array and there is at least one 2 in between them. {1, 1, 2, 2, 2, 1, 1} 1 because the same number of 1s are at the beginning and end of…To send an entire array to a method, pass the array name only as the argument: int[] numbers = new int[10]; for (int i=0; i < numbers.length; i++) { numbers[i] = i * 10; } printArray(numbers); //Sends the starting address of the array to the method so it can access all the values To send an individual element of an array to a method, you must include ________. the index number of the item: numbers[2] the first element the last element only the name of the array
- 3. write a method called insert that inserts an element into an integer array. It should take 3 parameters: an int array, the number to be inserted and the index it should be inserted at. It should return a new array that has the element inserted at the index (the new array should have a length 1 longer than the original array). Sample code int[] a = {1,2,3,4,5}; int[] inserted = insert (a,9,0); printArray (inserted); int [] a = {1,2,3,4,5}; int[] inserted = insert (a,9,3); printArray(inserted); int [] a = {1,2,3,4,5}; int[] inserted = insert(a,9,5); | printArray(inserted); Sample output 912345 123945 1234593. write a method called insert that inserts an element into an integer array. It should take 3 parameters: an int array, the number to be inserted and the index it should be inserted at. It should return a new array that has the element inserted at the index (the new array should have a length 1 longer than the original array). Sample code int [] a = {1,2,3,4, 5}; int[] inserted = insert (a,9,0); printArray (inserted); int[] a = int[] inserted = insert(a,9,3); printArray (inserted); int[] a = {1,2,3,4,5}; int [] inserted = insert (a,9,5); printArray(inserted); Sample output 9123 4 5 {1,2,3,4,5}; 123945 1234 59A method named findElement that takes a double number and an array of double numbers as parameters and returns an array that includes the indices of all the number occurrences in the array. For example, if the double number 4.1 and the array {1.5, 4.1, 1.5, 2.3, 4.1, 4.1, 5.2} are passed, the method must return the array {1, 4, 5}. If the passed number does not occur in the array, the method must return an array of zero elements
- TableAA.java Write a program that will store a multiplication table in a 2-D array. The user will enter how many lines (rows) it will have. The table will be printed to the screen. (Make it look nice – consider using printf.) This program will contain a static method. This method will take in an integer (the user’s number) and it will return a 2-D array. The code inside of the method will create the array, fill it with all the appropriate values that one would expect in a multiplication table, and then return that filled array. In the main method, you will ask the user how many lines they want to see and then you will use your static method to get the array. Once you have the array back from the static method, use nested for loops to print it in table form. See samples on the following pages. Program only needs to run once. Add try/catches so the user can only enter positive integers (1 and higher).The editTemperatures() method takes in two parameters: integer array tempData and integer numMore. Complete editTemperatures() to create a new array called arrayCopy with the same elements as tempData, and the size increased by numMore. Ex: If the input is: 10 48 49 18 3 then the output is: 10 48 49 18 0 0 0 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Scannerscnr=newScanner(System.in); int[] degreesFahrenheit=newint[4]; intinput; inti; for (i=0; i<degreesFahrenheit.length; ++i) { degreesFahrenheit[i] =scnr.nextInt(); } // Read number of values to increase array size by input=scnr.nextInt(); degreesFahrenheit=editTemperatures(degreesFahrenheit, input); for (i=0; i<degreesFahrenheit.length; ++i) { System.out.print(degreesFahrenheit[i] +" "); } } }public static ArrayList findExactString(String s, ArrayList myArray) { return null; } // Use the above method, findExactString, as a helper method to implement addWithoutDuplication method. The addWithoutDuplication method has the following properties: 1- It takes two arguments, a string s and an ArrayList myArray of type string. 2- It returns an integer which represents the number of occurrences of the string s in myArray while attempting to add it. 3- If myArray is null, it returns -1 4- If adds the string s to the end of the ArrayList myArray if the string s is not already there. public static int addwithout Duplication(String s, ArrayList myArray) { return -1;