Write a Java program to reverse elements in a array list?
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Write a Java program to reverse elements in a array list?
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- Write a java method to search for an element in an array using a linear search. Many list processing tasks, including searching, can be done recursively. The base case typically involves doing something with a limited number of elements in the list (say the first element), then the recursive step involves doing the task on the rest of the list. Think about how linear search can be viewed recursively; if you are looking for an item in a list starting at index i:o ¬If i exceeds the last index in the list, the item is not found (return -1).o ¬If the item is at list[i], return i.o ¬If the is not at list[i], do a linear search starting at index i+1Write java program to assign list of numbers {25,88,1,3,9} in arrayWrite 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
- using Java, from a file, read a list of integers, insert them into an integer array and then print them.. Write a Java program to sort the given list of elements in descending order using ArrayList.Write a java code that sorts a list of n items by dividing it into three sublistsof about n/3 items, sorting each sublist recursively and merging the threesorted sublists. Analyze your algorithm, and give the results under ordernotation.
- 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();…Write a program in java that prints an array using one loop even if it's a 2 dimentional array while using recursion. Include the main program and a sample and all.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…
- Has to be done in Java, import ArrayListWrite the Java program to find the minimum and maximum number in the array list.choose your own number randomly up to 50 numbers.FOR JAVA Write a Java method that takes two 2 dimensional int arrays (a and b) and a 2 dimensional boolean array (c) where all three arrays have the same size. Your method should return an array (result) such that, if a partic- ular element in c is true, then the corresponding (same indexed) element in result must be the multiplication of the the corresponding elements of a and b. If the element in c is false, then the the corresponding element in result must be the negative of multiplication of the the corresponding element in a and b. For example ifa = {{1,2,3},{4,5}},b = {{1,2,1},{0,2}} andc = {{true,false,true},{false,true}}, then the result should be result={{1, -4, 3}{0, 10}}.