Aug 21, 2012 · Write a program which reads a sequence of integers and displays them in ascending order. I'm creating an ArrayList (which I am new to) and I want to populate with integers input from the command line. With an array I could use a for loop with: array[i] = scanner.nextInt();

Dec 28, 2014 · get input from user. put it into entry String. add entry String into array list. println each item. Plus one on the fishing lesson. Set<String> ids = new TreeSet<String>(); //used set for making list as unique. Scanner input = new Scanner(System.in); System.out.println("\nEnter each value\n" +. "and Put an extra ENTER ."); do{

May 25, 2013 · What you need in your loop condition is: while ( input.get( input.size()-1 ) != end_signal ); What you're doing is decrementing the counter variable. Also you should declare the ArrayList like so: ArrayList<Double> list = new ArrayList<Double>(); This makes the list type-specific and allows the condition as given. Otherwise there's extra casting.

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. 1. Using Scanner Class to Take Array Input. Approach:

Learn how to create a dynamic ArrayList in Java that takes user input, stores integers, and displays the results with ease.---This video is based on the ques...

The ArrayList class is a resizable array, which can be found in the java.util package. The difference between a built-in array and an ArrayList in Java, is that the size of an array cannot be modified (if you want to add or remove elements to/from an array, you have to create a new one).

In this video, I am going to show you How to take a User Input in ArrayList in Java.

Mar 12, 2025 · ArrayList is a Java class implemented using the List interface. Java ArrayList, as the name suggests, provides the functionality of a dynamic array where the size is not fixed as an array.

Oct 9, 2014 · You can still use two ArrayLists, or make a class with name and phone attributes and then make one ArrayList of objects of that class. First approach shown here. public static void main(String[] args) { ArrayList<String> name = new ArrayList<String>(); ArrayList<Integer> phone = new ArrayList<Integer>(); Scanner sc = new Scanner(System.in);

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. In our example, we will use …