va code 12. Given an existing ArrayList named contactList, find the number of contacts in the ArrayList and store it in the existing variable named numContacts.

in java programming answer the following: Given an array called myArr (created as ArrayList<T>) and contains the {1,2,3,4,5,6,7}. (a) what would be the contents of this array after myArr.add(10). b) write the content of myArr after myArr.add(4, 11);

This is needed in Java Given that an ArrayList of Strings named nameList has already been created and names have already been inserted, write the statement necessary to delete the name at index 15.

convert this code to JAVA location = [] size = [] rover = 0 def displayInitialList(location, size): global rover print("FSB# location Size") for i in range(len(location)): print(i," ",location[i]," ",size[i]) if rover<len(size)-1: print("Rover is at ",location[rover+1]) else: print("Rover is at ",location[rover]) def allocateMemory(location,size,blockSize): global rover if rover<len(size): while size[rover]<blockSize: rover+=1 if i==len(size): return False location[rover] += blockSize size[rover] -= blockSize rover+=1 return True else: return False def deallocateMemory(location,size,delLocation,delSize): i=0 while delLocation>location[i]: i+=1 location[i]-=delSize size[i]+=delSize while True: print("1. Define Initital memory\n2. Display initial FSB list\n3. Allocate memory\n4. Deallocate memory\n5. Exit") print("Enter choice: ",end="") choice = int(input()) if...

Which of the following statements about ArrayLists is false? A running program can determine the size of an ArrayList. O You can get an item from a specified index in an ArrayList. O You can add a new item to the end of an ArrayList. O Once an ArrayList is created, its size cannot be changed.

JAVA you guys returned the question and said that it is a writing assignment but it is not. It is a java question, multiple-choice no coding. Please help me with this.

4. Now examine the ArrayList methods in the above table, a) Which method retrieves elements from the ArrayList? b) Which method replaces the value of an element that already exists in the ArrayList? c) Which two methods initializes the value of an element? d) How do the two methods in (c) differ? Which method(s) would be appropriate in the above Java program (after we convert it to work with ArrayLists)?

For any element in keysList with a value greater than 50, print the corresponding value in itemsList, followed by a comma (no spaces). Ex: If the input is: 32 105 101 35 10 20 30 40 the output is: 20,30, 1 #include 2 3 int main(void) { const int SIZE_LIST = 4; int keysList[SIZE_LIST]; int itemsList[SIZE_LIST]; int i; 4 6 7 8 scanf("%d", &keysList[0]); scanf ("%d", &keysList[1]); scanf("%d", &keysList[2]); scanf("%d", &keysList[3]); 10 11 12 13 scanf ("%d", &itemsList[0]); scanf ("%d", &itemsList[1]); scanf("%d", &itemsList[2]); scanf ("%d", &itemsList[3]); 14 15 16 17 18 19 /* Your code goes here */ 20 21 printf("\n"); 22 23 return 0; 24 }

Create a class called CustomerListerwith a mainmethod that instantiates an array of Stringobjects called customerName. The array should have room for five Stringobjects. Use an initializer list to put the following names into the array:Cathy Ben Jorge Wanda FreddieUse newto create a second doublearray called customerBalancein the mainmethod. Allow room for five customer balances, each stored as a double.In the loop that prints each customer name, add some code to prompt the user to enter a balance for that customer. Read the keyboard input with a Scannerobject. Use the following balances for the input:100.00234.562.4932.32400.00After all the balances have been entered, print out each customer and his/her balance.

In Java.

This is needed in Java Given an existing ArrayList named friendList, find the first index of a friend named Sasha and store it in a new variable named index.