Dec 28, 2014 · Scanner input = new Scanner(System.in); ArrayList arrayListOne; arrayListOne = new ArrayList(); ArrayList<String> letterArray = new ArrayList<String>(); while(true) { System.out.println("Type a string:"); letterArray.add(input.nextLine()); System.out.println("Number of string in array: " + letterArray.size()); // Display eveything in the list ...

Apr 8, 2016 · I need to design a program that does the following: Inputs two series of numbers (integers) from the user. Creates two lists based on each series. The length of each list must be determined by the value of the first digit of each series. The rest of the digits of each series of numbers becomes the contents of the list.

Apr 9, 2015 · You can use a Scanner instance or JOptionPane boxes for the input, and the .add method to add the information into the ArrayList. I think this is what you are looking for. ----------------------- Main Class File -------------------- public class TestingClass { public static void main(String[] args) { Scanner input = new Scanner(System.in);

5 days ago · Arrays in Java are an important data structure, and we can add elements to them by taking input from the user. There is no direct method to take input from the user, but we can use the Scanner Class or the BufferedReader class, or the InputStreamReader Class.

The Scanner class is used to get user input, and it is found in the java.util package. To use the Scanner class, create an object of the class and use any of the available methods found in the Scanner class documentation.

For example, to add elements to the list, use the add() method: cars.add("Volvo"); . cars.add("BMW"); . cars.add("Ford"); . cars.add("Mazda"); System.out.println(cars); } } You can also add an item at a specified position by referring to the index number: cars.add("Volvo"); . cars.add("BMW"); . cars.add("Ford"); .

Apr 8, 2025 · To add an element to the list, we can use the add () method. This method is overloaded to perform multiple operations based on different parameters. Parameters: It takes 2 parameters: add (Object o): This method is used to add an element at the end of the List.

There are mainly five different ways to take input from user in java using keyboard. 1. Command Line Arguments. 2. BufferedReader and InputStreamReader Class. 3. DataInputStream Class. 4. Console Class. 5. Scanner Class . Below I have shared example for each of them. How to Take Input from User in Java Command Line Arguments

Mar 17, 2013 · I want to be able to add new entries of parameter inputs to the list. For example: public static void theList (List<String> wholeList) { wholeList = new ArrayList<String>();

Feb 16, 2024 · Let’s look at some examples of how to use the list add () method in Java. How to add an element to a list in Java using the add (Element E) method: How to add an element at a specific index in a list in Java using the add (int I, Element E) method. How to add an element to a LinkedList in Java using the add () method.