1. Write a java program that reads ten characters into a linked list and displays them in the reverse of the order in which they were read. E.g. if the list a->b->c->d then it will rearrange the list as d->c->b->a.
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- *in java* A contact list is a place where you can store a specific contact with other associated information such as a phone number, email address, birthday, etc. Write a program that first takes as input an integer N that represents the number of word pairs in the list to follow. Word pairs consist of a name and a phone number (both strings), separated by a comma. That list is followed by a name, and your program should output the phone number associated with that name. Assume that the list will always contain less than 20 word pairs. Ex: If the input is: 3 Joe,123-5432 Linda,983-4123 Frank,867-5309 Frank the output is: 867-5309 Your program must define and call the following method. The return value of getPhoneNumber() is the phone number associated with the specific contact name.public static String getPhoneNumber(String[] nameArr, String[] phoneNumberArr, String contactName, int arraySize) Hint: Use two arrays: One for the string names, and the other for the string phone numbers.…1. Suppose you have the following array: {11, 22, 33, 44, 55, 66, 77}. Write a java program to find the sum of elements of the array recursively. 2. Suppose a program builds and manipulates a linked list: What two special nodes would the program typically keep track of? Describe two common uses for the null reference in the node of the linked lists. 3. Consider the following Java Code: What is the output when this code is executed? import java.util.LinkedList; import java.util.ListIterator; class Main { public static void main(String[] args) { LinkedList<String> myLList = new LinkedList<String>(); myLList.addFirst("Ali"); myLList.addFirst("Omar"); myLList.addLast("Sara"); ListIterator<String> myiterator = myLList.listIterator(); myiterator.next(); myiterator.next(); myiterator.add("Reem"); myiterator.previous(); myiterator.add("Ahmad"); myiterator.add("Khaled"); myiterator.previous(); myiterator.remove(); System.out.println(myLList); myiterator.next();…ISP-Java Write a program that gets a list of integers from the input value and outputs all integers less than or equal to the threshold value. The first input begins with an integer indicating the number of integers that the list (array) will hold. Based on the first input value, the user will then input integers into the list. Then, the last input integer will indicate the threshold. Output all integers less than or equal to that last threshold value. Assume that the list will always contain fewer than 20 integers. Ex: The following is an example of the input and output: Enter the number of integers that list will hold: 4 Enter integers for the list: 12 26 88 1999 Enter threshold integer: 28 Below are the integers that are <= to the threshold integer: 12 26
- Write in Java Write a program that reads an integer, a list of words, and a character. The integer signifies how many words are in the list. The output of the program is every word in the list that contains the character at least once. For coding simplicity, follow each output word by a comma, even the last one. Add a newline to the end of the last output. Assume at least one word in the list will contain the given character. Assume that the list of words will always contain fewer than 20 words.Please Use C language. 1. In most personal computers, the largest integer is 32,767 and the largest long integer is 2,147,483,647. Some applications, such as the national debt, may require an unbounded integer. One way to store and manipulate integers of unlimited size is by using a linked list. Each digit is stored in a node of the list. For example, the figure below shows how we could store a five-digit number in a linked list.Write a Java program to implement the following: Ask the user to enter the names of 3 Books and store them in an ArrayList called Book Remove the second book from the list Add the user to enter a new book name and store to be the first book of the list Ask the user to enter a book name, search for it in list, and print “exist” or “not exist” Print the book name at index 2 Print all list items using loop Print the size of the list
- Create a Java program. You have a list of Student ID's followed by the course number(separated by aa space) that the student is enrolled in. The listing is in no particular order. For eg. is student 1 is in CS100 and CS200 while student 2 is in CS105 and MATH210 then the list may look like this: 1 CS100 2 MATH210 2 CS105 1 CS200 Write a program that reads data in this format from the console. If the ID is -1 then stop inputting data. Use the HashMap class to map from an Integer(Student ID) to an ArrayList of type String that holds each class that the student is enrolled in. The declaration should look like this: HashMap<Integer, ArrayList<String>> students = new HashMap<Integer, ArrayList<String>>(); After all data is input, iterate through the map and output the student ID and all classes stored in the vector for that student. The result should be a list of classes organized by student id.Computer Science Write a program in the Java language that includes: 1. A class for books, taking into account the encapsulation and getter, setter. 2. Entering books by the user using Scanner 3. LinkedList class for: (Adding a new book - Inserting a book- Searching for a book using the ISBN Number - Viewing all books,delete book). 4. Serial number increases automatically with each book that is entered. 5. Printing the names of books is as follows: Serial - ISBN - Name - PubYear - Price - Notes. 6-Design a main menu that includes: • Add Book • Insert Book • Delete Book • Search . Display . ExitExercise 1: Write a program using the java.util.Stack data structure that prompts for an integer and reverses it: 7359 becomes 9537. Hints: Think of how base-10 works: A base-10 number is a sum of digit * 100 + digit * 101 + digit * 102, etc., where each digit in your number is that digit times a power of 10. Using that understanding, you can use modulo and integer arithemetic to get each digit and add it to a stack. Algorithm: Your number % 10 will give you the rightmost number. Example: 7359 % 10 = 9. Put the 9 on the stack. Now substract the 9 from original number: 7359 - 9 = 7350. Now take the 7350/10 to remove the zero. That is 7350 /10 = 735. Repeat the process, that is 735 % 10 = 5, put the 5 on the stack, substract the 5 and divide by 10. 730/10 = 73, use 73 % 10 to get the 3. Keep going, adding digits to the stack until you run out of numbers. When you pop the numbers off your stack, they will come off teh stack reversed. Note…
- JAVA CODE PLEASE 2. Linked List Quiz by CodeChum Admin Write a function printNodes that takes in the head of a linked list and prints all the values of that linked list using a while loop. Print the values separated by a [space]->[space] Create a program that accepts 10 integer inputs. Assign each input into a node and link them in ascending order then print the linked list. Create another two linked lists: One for nodes with even numbers and the other one for odd numbers. Print them respectively using the printNodes function. Input 1. One line containing an integer 2. One line containing an integer 3. One line containing an integer 4. One line containing an integer 5. One line containing an integer 6. One line containing an integer 7. One line containing an integer 8. One line containing an integer 9. One line containing an integer 10. One line containing an integer Output Enter·number·1:·1 Enter·number·2:·2 Enter·number·3:·3 Enter·number·4:·4…Machine Problem: Write a Java program that will display the given menu: NOTE: adding a string must accept a word/phrase/sentence Menu 1. Add a string 2. Display list of strings 3. Display list of uppercase words 4. Display list of lowercase words 5. Delete an uppercase word 6. Delete a lowercase word 7. End program When 1 is chosen, ask the user to enter a string and add it to a list using a linked list When 2 is chosen, display the list of strings. When 3 is chosen, display all uppercase words found in the list of strings in ascending order. (create a linked list containing all uppercase words) When 4 is chosen, display all lowercase words found in the list of strings in ascending order. (create a linked list containing all lowercase words) When 5 is chosen, display the list of uppercase words then ask the user the index of the word he wants to delete. Index of the first word in the list is 0 When 6 is chosen, display the list of lowercase words then…Write java program that does the following steps. Part 1: Array list implementation: array list implements list interface plus their own functions. 1. a. Create a ArrayList of type Integer and name it as Grades. b. Create a ArrayList of type String and name it as Students. c. Create a ArrayList of type Double and name it as Results. 2. Add the following values to the array List using add function 30, 40,80 ,100,70,100,10,100,10 Print the size of the array list using size () function. 3.Search for 100 in the array list, if you find it, print a message that “those grades are perfect”. Use only contains function. 4. Repeat the step 3 using equals function. 5. Check if array list is empty or not using isEmpty() function. Print a message if it’s empty and if it’s not empty also. 6. the grade is under 20 which is outlier, remove it from the array list. 7. Print array list using System.out.println() 8. Use indexOf to print index of 80. 9. Use get function. 10. What is the difference between…