What does the following code do? What happens if the second argument (i.e., the empty array) is removed from the call to useEffect()? useEffect(() => { tryLocalSignin() }, []) Full explain this question and text typing work only
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Question 11 mah
.What does the following code do? What happens if the second argument (i.e., the empty array) is removed from the call to useEffect()?
useEffect(() => {
tryLocalSignin()
}, [])
Full explain this question and text typing work only
We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this line
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- Bonus Question: For the same array as in the last question, explain what this statement does: x = &x[2]; Hint: draw a memory diagram to help yourself find the correct answer.Method Implementation Design and implement a method to swap the first and the last element of an array. For example, 1 4 9 16 25 would be transformed into 25 4 9 16 1. Important: You don’t need to test this method in main(). You don’t need to initialize the array. You don’t print out the values in the method. All you need to do is swap the first with the last element. pubilc static void swapFirstLast(int [] arr) {please help me with the pseudocode of the program for the project. Need a class which will contain: Student Name Student Id Student Grades (an array of 3 grades) A constructor that clears the student data (use -1 for unset grades) Get functions for items a, b, and c, average, and letter grade Set functions for items a, n, and c Note that the get and set functions for Student grades need an argument for the grade index. Need another class which will contain: An Array of Students (1 above) A count of number of students in use You need to create a menu interface that allows you to: Add new students Enter test grades Display all the students with their names, ids, test grades, average, and letter grade Exit the program Add comments and use proper indentation. Nice Features: I would like that system to accept a student with no grades, then later add one or more grades, and when all grades are entered, calculate the final average or grade. I would like the system to display the…
- Which statement is correct?int[] n = { 16, 3, 7, 18, 21 };int[] m = n; Question 6 options: The variable m references a new array that is an exact of copy of n. Both n and m are variables that reference the same array. This is how you copy an existing array to a new one. The contents of n is copied to m.Exercise Three: In this exercise, we are storing the user's test score. You need to know, how many test score you want to enter. · Ask the user to enter the size of the array. Input Validation: Don't make the array size zero, less than zero, and more than 5 (to keep the calculation simple). If the user enters wrong number, make him/her to enter again until he/she enters the acceptable number. . Then ask the user to enter his/her test score. Input Validation: User can't enter any score number less than O or greater than 100. If s/he enters, do not terminate the program. Ask the user to enter the number again until s/he gets it right. Hint: Feel free to combine one loop inside another loop. • Print them out they he/she has entered. Do not include those numbers in the test score array that is less than 0 or greater than 100. • Print them in reverse order (Note: you are not reversing the array, you are just printing them in reverse order) • Create an array and store all his even number…What transpires when a parameter for an array is sent in with either the ref or out keyword, and the results are observed?
- please help me in writing pseudocode for this project. Need a class which will contain: Student Name Student Id Student Grades (an array of 3 grades) A constructor that clears the student data (use -1 for unset grades) Get functions for items a, b, and c, average, and letter grade Set functions for items a, n, and c Note that the get and set functions for Student grades need an argument for the grade index. Need another class which will contain: An Array of Students (1 above) A count of the number of students in the use You need to create a menu interface that allows you to: Add new students Enter test grades Display all the students with their names, ids, test grades, average, and letter grade Exit the programInstructions use the clock class to build an array of 10 AppointmentTime objects , and then do the needed operations on the array: initialization, reading, printing, finding the maximum AppointmentTime. build another array of Clock type name it Leaving Time , then copy the AppointmentTime to it. Use methods to perform the above requests, and try to use fo.each loop as much as you can.Indicate what values would be stored in the array after the method arrayMystery executes if the integer array is passed as a parameter to it. Note: The Array elements must be separated by comma in curly braces. For example, if the result array contains 3, 5, and 2, it should be written as {3,5,2}. arrayMystery(a4, 4); arrayMystery(a5, 6);
- For the array ADT, the operations associated with the type array are: insert a value in the array, delete a value from the array, and test whether a value is in the array or not. 1.true 2.falseRewrite the client program to use the Baby class that you have done using ArrayList. You should also have the following function in this new client program: a) Enter details for each baby (name and age) and thus populate the Baby ArrayList b) Calculate and display the average age of all babies in the ArrayList c) Ask the user to enter the name of a baby, and then remove it from the ArrayList d) Allow the user to add new baby information in the ArrayList e) Output the details of each baby from the ArrayList (name and age) Compare this client program using the ArrayList with the client program you have done using array, comment on the differences between the two. Modify your client program in the last question, by adding a sort function such that when that option is selected, it sorts the ArrayList using the baby names in alphabetical order and output the details in the sorted ArrayList to a CSV (sortedbabylist.csv) file. public class Baby { private String name; private int age;…continue from first question, Client class:The client program will allow entry of these data for several different student into an ArrayList and then perform some analysis and queries.Your client class (program) will provide the user with a menu to perform the following operations. You will also need to load the information of the students from a CSV file (student.csv) before displaying the menu. You only need one ArrayList and one menu for this. For the csv file, your first item can be U or G to differentiate whether the entry is creating a UndergraduateStudent object, or a GraduateStudent object. You can then decide how you want other data to be listed in the csv file. You should specify clearly in your documentation the data format of the CSV files used in this assignment.1. Quit (exit the program)2. Add (to the ArrayList) all the marks information about an undergraduate or graduate student by reading it from another CSV file. Your program will ask for the file name.3. Given student…
