Mediator.java:6: class Welcome is public, should be declared in a file named Welcome.java
public class Welcome
       ^
./Mediator.java:6: class Welcome is public, should be declared in a file named Welcome.java
public class Welcome
       ^
Mediator.java:8: cannot access Mediator
bad class file: ./Mediator.java
file does not contain class Mediator
Please remove or make sure it appears in the correct subdirectory of the classpath.
        Mediator mediator;
        ^
3 errors