If you overwrite a field in a subclass of a class, the subclass has two fields with the same name(and different type)?

by

Member variables cannot be overridden like methods. The number variables in your classes Beta and Gama are hiding (not overriding) the member variable number of the superclass.

By casting you can access the hidden member in the superclass.

More Related Contents:

  1. How to create a class literal of a known type: Class
  2. Lambda expression and method overloading doubts
  3. why Integer.MAX_VALUE + 1 == Integer.MIN_VALUE?
  4. What is a capture conversion in Java and can anyone give me examples?
  5. Anonymous-Inner classes showing incorrect modifier
  6. Why no static methods in Interfaces, but static fields and inner classes OK? [pre-Java8] [duplicate]
  7. Why can’t you reduce the visibility of a method in a Java subclass?
  8. Testing initialization safety of final fields
  9. Are there any guarantees in JLS about order of execution static initialization blocks?
  10. System won't print this out? [closed]
  11. How to find a Java Memory Leak
  12. Java maximum memory on Windows XP
  13. Is System.nanoTime() completely useless?
  14. Call “java -jar MyFile.jar” with additional classpath option
  15. java.lang.OutOfMemoryError: Java heap space
  16. What is the main difference between Inheritance and Polymorphism?
  17. Spring Security Configuration – HttpSecurity vs WebSecurity
  18. Android Camera will not work. startPreview fails
  19. In Java, when should I create a checked exception, and when should it be a runtime exception? [duplicate]
  20. When do you use map vs flatMap in RxJava?
  21. How can I list all classes loaded in a specific class loader
  22. Java 8 default methods as traits : safe?
  23. java.net.SocketException: socket failed: EPERM (Operation not permitted)
  24. Can we make object as key in map when using JSON?
  25. Paste a multi-line Java String in Eclipse [duplicate]
  26. Lombok’s access to jdk.compiler’s internal packages incompatible with Java-16
  27. CubicCurve JavaFX
  28. Maven surefire could not find ForkedBooter class
  29. How do I refresh a GUI in Java?
  30. Java: Use import or explicit package / class name?

Leave a Comment