Question

So public variables can be accessed from anywhere, even from other packages. However, when I try to create an object from a foreign package, in order to get access to the public variables it contains, I get the following error:

Exception in thread "main" java.lang.Error: Unresolved compilation problems: 
    Foo cannot be resolved to a type

My code:

Foo obj = new Foo();

I was wondering what is the correct way to create objects that exist in packages other than the one thats creating it?

I appreciate any help in this regard.

Answer 1

Did you import Foo; ?

with qualified name com.some.package.Foo

If you declare your class Foo

package com.mycompany.app.package1;

public class Foo{}

Then you need to import this type by writing

import com.mycompany.app.package1.Foo;

in any other(other than com.some.package ) package where Foo is used

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See

• Using package