All Questions
13
questions
0
votes
1
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1k
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I want to get my toString method to print all the information of the objects in my array list but I am getting the output with [] brackets [duplicate]
For my code, I have tried using a toString method which I am not sure if is the best way to display information for objects in an array list. I wanted to try a normal method and then just call it but ...
0
votes
1
answer
123
views
the contents of arraylist are printed using println. I want a similar functionality for my created objects without using toString() function in java
In the image above, the contents of the arraylist is printed using println. I want a similar functionality for my created objects without using toString() function in java
please tell me how can i do ...
0
votes
2
answers
501
views
Printing Objects in an ArrayList
The project requires me to create an ArrayList of objects and then print the complete list. Additionally the maximum amount of characters cannot exceed 280. The objects created are defined in my "...
1
vote
3
answers
3k
views
How can i use a for each loop to print an Arraylist of different objects of different classes
class Main
{
public static void main(String[] args)
{
Scanner input = new Scanner(System.in);
Loan loan = new Loan();
Date date = new Date();
Strings strings = ...
1
vote
2
answers
7k
views
How to pass toString from child to parent using super.toString() in Java
Working on a Java project to study Polymorphism. I am trying to learn how to pass a toString() up the line from the bottom child. I have to pass the toString form Hardware.java to Tool.java to ...
- 63
-7
votes
2
answers
62
views
How do I return/implement the toString for the ArrayList? Also, just want to check that I've correctly created my objects?
import java.util.ArrayList;
import java.util.Date;
import javafx.scene.shape.Circle;
public class List2 {
public static void main(String[] args){
Loan newLoan = new Loan(); ...
- 15
0
votes
2
answers
270
views
How to get one value of an object from only knowing the index ArrayList, Java?
I have created an Arraylist of players for a simple game. I need to display in the console whos turn it is to play. I have a class "Player" where I store name and score. Also a constructor that ...
- 21
0
votes
1
answer
78
views
Listing Parameters of an Object in an ArrayList
I am trying to create a method to list the elements in an ArrayList, but the method only returns the values of the most recent object:
The object:
//Constructor for guests at the hotel
public Guest (...
0
votes
2
answers
162
views
Need to load objects into an ArrayList read from a text file and output to JTextField?
I'm working on a project and I am suppose to read in the data from a text file called "stars.txt", create objects for all the sales reps in the file, load the objects onto an ArrayList and display ...
1
vote
3
answers
120
views
How do I return an ArrayList<String> from ArrayList<ArrayList<String>>.get()
I have an ArrayList like : ArrayList<ArrayList<String>> test
for(int i = 0; i < test.size(); i++) {
ArrayList temp = test.get(i);
}
It turns out now, that I cannot do Arrays....
- 8,339
0
votes
4
answers
302
views
Constructing objects while adding to ArrayList
public class ComputerKit {
private ArrayList <ComputerPart> parts = new ArrayList();
//constructor
public ComputerKit(ComputerPart ... cp){
for(int x=0;x<cp.length;x++){
parts.add(...
0
votes
2
answers
368
views
Able to print only some objects in ArrayList by overwriting toString()
I have some problems of printing out the object after overwriting toString(). Without overwriting toString(), I can print out the object references without any error. However when I try to overwrite ...
- 3
0
votes
5
answers
2k
views
Java ArrayList Help!
I am working on learning java a little, and i found this question in a java text book on Google books, I have been working on it for a while, and for some reason these seems like it should be simple. ...
- 71