Creating a Queue from LinkedList

Question

I have a problem with creating a Queue object.I dont know what is wrong.

My code:

import java.util.*;
public class Demo {
    public static void main(String[] args) {

        Queue<Integer> q = new LinkedList<Integer>();


    }
}

Compiler error:

Exception in thread "main" java.lang.Error: Unresolved compilation problem: The type LinkedList is not generic; it cannot be parameterized with arguments

I am not getting any Compile time errors for this code on eclipse. — Algorithmist
– Algorithmist, Commented Apr 14, 2013 at 19:53
This is odd - LinkedList IS generic. Do you have another LinkedList defined/imported somewhere? Try Mohammad's solution below to force the compiler to use the correct LinkedList. — Zim-Zam O'Pootertoot
– Zim-Zam O'Pootertoot, Commented Apr 14, 2013 at 19:54
It is something related with your library..Use java.util.ArrayList — Anirudha
– Anirudha, Commented Apr 14, 2013 at 19:54

Adil Shaikh · Accepted Answer · 2013-04-14 20:09:55Z

1

might be a name conflict (see if you have a class named LinkedList somewhere in your default package)

Try this -

 Queue<Integer> q = new java.util.LinkedList<Integer>();

edited Apr 14, 2013 at 20:09

answered Apr 14, 2013 at 19:50

Adil Shaikh

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4 Comments

Algorithmist Over a year ago

But why i need to do this?.If you see code given in question import is already being done

Adil Shaikh Over a year ago

Can't say if OP has a class Named LinkedList somewhere

Jon Skeet Over a year ago

@Algorithmist: I suspect there's another class in the default package with the name LinkedList. But it's not clear what you mean by "But why I need to do this" - are you actually the original poster? If so, please don't use multiple accounts.

Algorithmist Over a year ago

@JonSkeet I am not the poster of this question :). Now i am not able to edit my post. I used "I" mainly because i tried to write the same code on my eclipse after seeing this question and got no errors.

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