Which assigns the array's first element with 1.0? double[] myList = new double[18]; myList[] - 1.e; myList[-1] = e; %3D myList[0] - 1.0; myList[1] = 1.0; Which assigns the array's last element with 99? int[] myVector = new int[16]; myvector[e] = 99; %3D myvector[14] = 99; myvector[15] = 99; myvector[16] = 99;
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- Pick the code that will add a new property z to the first array element. let points = [{ x: 10, y: 20 },{ x: 15, y: 21 },{ x: 20, y: 22 },{ x: 25, y: 23 },]; Select one of the following: points[0].z = 30; points{1}['z'] = 30; points.z = 30; points[1].z = 30;JAVASCRIPT ===================================== const numbers = [1, 2, 3, 4, 5, 6, 7, 9]; // Using map() to create a new array with nested arrays. The second element will be the current number * 2 // Using flat() to flatten the nested arrays // Using flatMap() to create a new flattened array //Print nested array /* [ [ 1, 2 ], [ 2, 4 ], [ 3, 6 ], [ 4, 8 ], [ 5, 10 ], [ 6, 12 ], [ 7, 14 ], [ 9, 18 ] ] */ //Print flattened array /* [ 1, 2, 2, 4, 3, 6, 4, 8, 5, 10, 6, 12, 7, 14, 9, 18 ] */ //Print flat mapped array /* [ 1, 2, 2, 4, 3, 6, 4, 8, 5, 10, 6, 12, 7, 14, 9, 18 ] */If you have the array A=[6,6] then: Q= arr [3:6, 0:3] will prints first quarter elements third quarter elements fourth quarter elements second quarter elements
- What is the 2nd element in the array int [] myArray = {12,24, 36, 42, 51};?Code to :::Implplement a SnapshotArray that supports the following interface: SnapshotArray(int length) initializes an array-like data structure with the given length. Initially, each element equals 0. void set(index, val) sets the element at the given index to be equal to val. int snap() takes a snapshot of the array and returns the snap_id: the total number of times we called snap() minus 1. int get(index, snap_id) returns the value at the given index, at the time we took the snapshot with the given snap_id Example 1: Input: ["SnapshotArray","set","snap","set","get"] [[3],[0,5],[],[0,6],[0,0]] Output: [null,null,0,null,5] Explanation: SnapshotArray snapshotArr = new SnapshotArray(3); // set the length to be 3 snapshotArr.set(0,5); // Set array[0] = 5 snapshotArr.snap(); // Take a snapshot, return snap_id = 0 snapshotArr.set(0,6); snapshotArr.get(0,0); // Get the value of array[0] with snap_id = 0, return 5..Given the following pseudocode, convert it into the corresponding flowchart. myList(array) { for outerCount := 0 to size-2 do minIndex := outerCount; for innerCount:= outerCount+1 to size – 1 do if array[innerCount] < array[minIndex] then minIndex:= innerCount endloop swap array[outerCount] with array[minIndex]. endloop End//end function myList
- ion C Lons Employee -id: int -name String - dob : Date -staff : ArrayList +setid(int): void +getld() : int +setName(String): void +setDob(Date) : void +getDob(): Date +addStaff(Employee) : void +getStaff() : ArrayListAssume int[][] matrix = {{3, 2}, {7, 9, 5}, {4, 8, 2, 6}}; , How many elements are in array? 12 3True or False : Numeric array elements are automatically initialized to –1.
- stats.py: We can create a numpy array from separate lists by specifying a format for each field:arr = np.zeros(4, dtype={'names': ('name', 'age', 'major', 'gpa'), 'formats': ('U50', 'i4', 'U4', 'f8')})arr['name'] = ['Alice', 'Bob', 'Carol', 'Dennis']arr['age'] = [21, 25, 18, 29]arr['major'] = ['CS', 'Math', 'Chem', 'Phys']arr['gpa'] = [3.8, 3.2, 4.0, 3.5] where U50 is a string of max length 50, i4 is a 4-byte integer, U4 is a string of max length 4, and f8 is an 8-byte floating-point number. Then arr has value array([('Alice', 21, 'CS', 3.8), ('Bob', 25, 'CS', 3.2),('Carol', 18, 'Chem', 4. ), ('Dennis', 29, 'Phys', 3.5)],dtype=[('name', '<U50'), ('age', '<i4'), ('major', '<U4'), ('gpa', '<f8')]) Then, for example, arr[’name’] will give an array of just the student names.Write a program that reads the file roster2.dat that has this format: name,age,major,gpa Convert this to a numpy array as shown above. Then use that array to compute…Part 1: Add the code of the ArrayListType to your code. Part 2: Create an Ordered_List class derived from the ArrayListType then add the following function to this class: Constructor to create an array of the size specified by the parameter size. The default array size is 20. Sorted Insert this function takes an integer values then add it to the list this function should check whether the value exist in the list or not. If it is already exist then it will not be inserted to the list, this function should keep the list ordered. Remove function to remove an item from the list. The function takes a single parameter that specifies the number to be removed. • Sequential Search a function to search the list for an integer if exist return its location otherwise return -1. This function specifies the number we are looking for as a parameter. Part 3: Implement the following non-member functions to deal with the Ordered List objects: Load file: this function should read a text file consist an…Part 1: Add the code of the ArrayListType to your code. Part 2: Create an Ordered_List class derived from the ArrayListType then add the following function to this class: Constructor to create an array of the size specified by the parameter size. The default array size is 20. Sorted Insert this function takes an integer values then add it to the list this function should check whether the value exist in the list or not. If it is already exist then it will not be inserted to the list, this function should keep the list ordered. Remove function to remove an item from the list. The function takes a single parameter that specifies the number to be removed. • Sequential Search a function to search the list for an integer if exist return its location otherwise return -1. This function specifies the number we are looking for as a parameter. Part 3: Implement the following non-member functions to deal with the Ordered List objects: Load file: this function should read a text file consist an…