Compilation error: wrong interface method implementation

Hello to all

Compilation error: wrong method invokation

Runtime error 

Сompilation error: internal class cannot have public members

Compilation error: wrong interface method implementation

Hello to all

Compilation error: wrong method invokation

Runtime error 

Сompilation error: internal class cannot have public members

Compilation error: wrong interface method implementation

Hello to all

Compilation error: wrong method invokation

Runtime error 

Сompilation error: internal class cannot have public members

Compilation error: wrong interface method implementation

Hello to all

Compilation error: wrong method invokation

Runtime error 

Сompilation error: internal class cannot have public members

Compilation error: wrong interface method implementation

Hello to all

Compilation error: wrong method invokation

Runtime error 

Сompilation error: internal class cannot have public members

Compilation error: wrong interface method implementation

Hello to all

Compilation error: wrong method invokation

Runtime error 

Сompilation error: internal class cannot have public members

Compilation error: wrong interface method implementation

Hello to all

Compilation error: wrong method invokation

Runtime error 

Сompilation error: internal class cannot have public members

Compilation error: wrong interface method implementation

Hello to all

Compilation error: wrong method invokation

Runtime error 

Сompilation error: internal class cannot have public members

Compilation error: wrong interface method implementation

Hello to all

Compilation error: wrong method invokation

Runtime error 

Сompilation error: internal class cannot have public members

Compilation error: wrong interface method implementation

Hello to all

Compilation error: wrong method invokation

Runtime error 

Сompilation error: internal class cannot have public members