Frage im Vorstellungsgespräch bei Maveric Systems

Technical-- - program to reverse a string without string reverse - program to "hello@###java" removing all special characters Output will be hellojava - interface and abstract return types, uses in framework - oops concepts - can u overload/ override constructor ,can u make constructor as final or static -how you can do automation for OTP validation for banking application -some output related question on abstract, overloading, over riding etc