How to import a class from default package

Question

Possible Duplicate: How to access java-classes in the default-package?

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I am using Eclipse 3.5 and I have created a project with so

Answer 1

From some where I found below :-

In fact, you can.

Using reflections API you can access any class so far. At least I was able to :)

Class fooClass = Class.forName("FooBar");
Method fooMethod =
    fooClass.getMethod("fooMethod", new Class[] { String.class });

String fooReturned =
    (String) fooMethod.invoke(fooClass.newInstance(), "I did it");

Answer 2

There is a workaround for your problem. You can use reflection to achieve it.

First, create an interface for your target class Calculatons :

package mypackage;

public interface CalculationsInterface {  
    int Calculate(int contextId);  
    double GetProgress(int contextId);  

}

Next, make your target class implements that interface:

public class Calculations implements mypackage.CalculationsInterface {
    @Override
    native public int Calculate(int contextId);
    @Override
    native public double GetProgress(int contextId);
    static  {
        System.loadLibrary("Calc");
    }
}

Finally, use reflection to create an instance of Calculations class and assign it to a variable of type CalculationsInterface :

Class<?> calcClass = Class.forName("Calculations");
CalculationsInterface api = (CalculationsInterface)calcClass.newInstance();
// Use it 
double res = api.GetProgress(10);

Answer 3

1. Create a new package.
2. Move your files from the default package to the new one.