Here is my interface:
public interface Shape{
public int size();
}
And the two classes implementing it:
@Repository("Circle")
public class Circle implements Shape
{
public int size()
{
//code
return size;
}
}
And
@Repository("Square")
public class Square implements Shape
{
public int size()
{
//code
return size;
}
}
Now, can I use the following code?
public class MyTest
{
@Resource(name="Circle")
Shape circle;
@Resource(name="Square")
Shape square;
public int size()
{
int size = circle.size() + square.size();//Is this correct?
return size;
}
}
For some reason my code is giving me null pointer exception, perhaps is there another way to tell the resource annotation which sub-class I wanted to use? (Should I be using other annotation instead??)
