Question

I cannot compile via CMD the class that is implemented an Interface.
But It works with any Java IDE.
Any suggestions?
Thank you.

Theses are the codes.

//Interface (MyInterface.java)
public interface MyInterface{ 
    public int add(int a, int b); 

}


//(MyInterfaceImpl.java)
public class MyInterfaceImpl implements MyInterface { 

   public int add(int a, int b){ 
     return a + b; 
   }
}

\>javac MyInterface.java
\>javac MyInterfaceImple.java
MyInterfaceImpl.java:2: cannot file symbol
symbol: class MyInterface
public class MyInterfaceImpl implements MyInterface{

1 error

Answer 1

Looks like your interface class is physically named MyInterfaceImple.java but your code refers to it as MyInterfaceImpl – (without the e).

The names used in your code need to match the physical files. Also check that both classes are in your classpath.