uppose you have the following array delaration: let myArray = [ 1 ]; What is the value of myArray.length fter adding an item like this: myArray[400] = 1; a. 1 b. 401 c. 400 d. 399 e. undefined
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let myArray = [ 1 ];
What is the value of myArray.length fter adding an item like this:
myArray[400] = 1;
Step by step
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- given an array of integer values , return true if 6 appears as either the first or last element in the array. firstLast6([1,2,36]) true firstLast([6,1,2,3]) true firstLast([13,6,1,2,3]) falseWrite code that will accept as input the characteristics of an undefined number of different softdrinks. Each softdrink should have a colour (of the can), name and volume. • Create SoftDrink objects and store them in an ArrayList (see the Appendix) as each softdrink is entered. • Alternatively, you can use an array. Take a number of items first, create an array of that size and read in the elements. • Prompt the user to add a softdrink until they choose to quit. • Once the user quits, print out a list of the softdrinks that the user has entered, sorted first by alphabetical order of name, then by colour, then by volume (ascending order). Name your driver class Question2.java. NOTE: • You can use the built-in static sort() method in the java.util.Collections class to sort your ArrayList of SoftDrink objects. Sample I/O Enter option: (1) add soft drink (2) quit: 1 Enter name, colour and volume in ml separated by space Fanta Orange 500 Enter option: (1) add soft drink (2)…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"
- Create a main() method in which we will create a 5 element array of RegularTriangle objects. For each element, create a random int between 1-10 and create the element instance using this number as side. Once created, calculate the average perimeter of these arrays. Hint: use the following code to generate random number import java.util.Random; Random rand = new Random(); int n = rand.nextInt(100); Add screenshot of outputBy using JavaScript find the sum of all the elements of a given array (before removing and after removing) and removes the last element from an array? [2, 3, 4, 6, 30, 23] Answer it as soon as possible to get the upvot.(Java) Suppose we have a 2D array of integers called a matrix. Write a code to initialize the array matrix with random values between 0-99. Please use a method instead of try
- /*** creates an array of 1000 integers where each element matches its index* * @return the array that is created*/public static int[] makeNumberArray() {JavaScript 4. Calculate the sum of numbers within an arrayYou can create your own array of numbers but consider trying this problem with a few different sets to verify your solution. Have one array with negative and positive numbers and another with integers and decimals. You could also try using arrays of different lengths. If you're feeling comfortable with this, try the slightly more challenging bonus challenge below. Bonus intermediate challenge: Create a function that can return the sum of a particular column or row number in a table.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] +" "); } } }
- Create a method multiply(), that receives the 2D array you created in 2. as aninput, multiplies all of its elements and displays the product.Create an array called myArray with 10 elements Store a value which is 10 plus the index in each element. Print out the array elements so you see the index and the value of the array elements. Output should look like this: myArray[0]=10 myArray[1]=11 myArray[2]=12 myArray[3]=13 myArray[4]=14 myArray[5]=15 myArray[6]=16 myArray[7]=17 myArray[8]=18 myArray[9]=19 Note: there are no spaces between any of the characters. code: #include <iostream>using namespace std; main(){// declare array of 10 integers // set each value in the array to the index value plus 10 // print out the array }What will be the problem with the following algorithm for finding an item in an unsorted array? How can you solve it? int location = 0; bool moreToSearch = (location > length); found = false; while (moreToSearch && !found) { if(item == info[location]) { item = info[location]; } else { location++; moreToSearch = (location > length); } }
