2 interfaces for one method ???.

Question

Hi, anybody can see what will happen if we implemented two interfaces , each of which have a method named e.g. move()for example, Cowboy and Shape.
Thanks
Mario

Answer 1

If the methods in the different interfaces have
different parameters or the same return type, it's not
a problem. Otherwise a compile-time error occurs.
shakes head Nope. Consider the following code:
// File = TestI.java
public interface TestI
    public void test();
// File = TestI2.java
public interface TestI2
    public void test();
// File = Test.java
public class Test
    public static void main(String arg[])
        new Test().test();
    public void test()
        System.out.println("Hello, world!!");
}This code both compiles and runs. A compile-time error will probably result if the two interfaces specify different return types for their methods (a supposition that I have not yet tested). The only real problem with doing this, however, is that the interfaces may dictate two entirely different (and possibly contradictory) actions.
Best bet is to name your interface methods more distinctly. The method name "move" isn't incredibly descriptive.