All Questions
14
questions
0
votes
1
answer
185
views
How to stop the modification of an object in one ArrayList from also modifying the same object in another ArrayList [duplicate]
I have the following code which is designed to find an object from one arraylist by comparing to a string, then add the object to another arraylist, then modify a parameter of the object in the second ...
0
votes
1
answer
1k
views
Adding new objects to an ArrayList using a constructor
I have to make a small app as an class exercise which simulates an mobile phone which is able to add and list contacts.
In the main I have to create a new mobile phone by its brand and to add new ...
0
votes
2
answers
2k
views
Adding objects from one class to an ArrayList in another class
I'm new to java and I'm trying to write my first "bigger" program, with several classes. I have created an ArrayList in the class "CompetitionProgram" and it's declared as private.
public class ...
- 1
1
vote
1
answer
1k
views
How to do an add method for objects in an ArrayList
So for an assignment in my programming class, we are supposed to make an ArrayList to store objects of a class created in a previous assignment. My only problem is that i'm not exactly sure how to ...
- 111
-1
votes
1
answer
2k
views
C# using ArrayList from another class
I have one class Racun.cs
public class Racun
{
private string _nazivKupca;
public string NazivKupca
{
get
{
return _nazivKupca;
}
set
{
...
- 1,239
0
votes
1
answer
35
views
adding in a ArrayList by casting an Object, from table of Objects, into double
Why the cast (double) doesn't work ? I nead to add doubles to my ArrayList.
import java.util.ArrayList;
import java.util.ListIterator;
public class Vecteur extends ArrayList implements Cloneable{
...
- 161
-1
votes
1
answer
59
views
Overwriting in add object to arraylist
this thing right here is giving me some headache for a while, I'm trying to find the problem and can't find an answer. Basically, it's overwriting every single previous object in the list.
public ...
- 1
0
votes
2
answers
2k
views
Adding and setting new object in ArrayList at specific index (JAVA)
I made some projects with ArrayList. They have same problem with adding new object. My goal is to add new Object at specific location. For instance, each index hold four strings.
index 0: New York ...
- 133
2
votes
6
answers
14k
views
Java Add Object to ArrayList error
I'm new to coding java and would love some help. I'm trying to add an object of the class Fish to an arraylist call fishList
in my main I have for example
public static void main(String[] args) {...
- 25
0
votes
3
answers
7k
views
Adding objects to an arraylist in java
I am trying to write a solitiare game on java. I'm trying to add the card objects to my arraylist but the MakeDeck function is not working properly.
public class PileOfCards {
public ArrayList<...
- 3
1
vote
1
answer
28k
views
How do I add a new Object to an ArrayList?
I’m trying to add a new object to an ArrayList. Each Item object will have 3 attributes:
itemNum
info
cost
I also have 3 classes:
Item class defines the single items stored in the catalog.
...
- 87
0
votes
2
answers
5k
views
How to write and retrieve objects arraylist to file?
I have an object arraylist, can someone please help me by telling me the most efficient way to write AND retrieve an object from file?
Thanks.
My attempt
public static void LOLadd(String ab, ...
- 43
1
vote
5
answers
6k
views
While and for loops for adding to two dimensional array
I have an arrayList which contains Objects. Each object contains a number of strings. I am trying to take these strings and add them to a two dimensional array.
public void iterateRow(Row row)
{
...
- 319
0
votes
4
answers
2k
views
Java: Can't add an int to an arraylist
I've created an empty arraylist here:
private ArrayList<OrderItem> conveyorBelt = new ArrayList<OrderItem>(10);
And in the same class, I've created a method where I add item into the ...
- 3