casting a subclass as a superclass

programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other Pie Elite all forums

this forum made possible by our volunteer staff, including ...

Marshals:

Campbell Ritchie
Ron McLeod
Paul Clapham
Tim Cooke
Devaka Cooray

Sheriffs:

Liutauras Vilda
paul wheaton
Rob Spoor

Saloon Keepers:

Tim Moores
Stephan van Hulst
Tim Holloway
Piet Souris
Mikalai Zaikin

Bartenders:

Carey Brown
Roland Mueller

Other threads similar to casting a subclass as a superclass

Programmer Certification (OCPJP)

Typesafe Downcasts

20 replies

Programmer Certification (OCPJP)

question from Dan's exam - ClassCastException

46 replies [ 1, 2 ]

Java in General

Superclass has subclass reference

7 replies

OO, Patterns, UML and Refactoring

Martin's [i]Agile Software Developement[/i]

4 replies

Programmer Certification (OCPJP)

generic method

4 replies

Programmer Certification (OCPJP)

Reference variable casting mechanism

3 replies

Beginning Java

Polymorphism with the same method

10 replies

Beginning Java

Casting reference types.

1 reply

Beginning Java

Understanding interfaces and abstract classes example

5 replies

Programmer Certification (OCPJP)

Reason for java.lang.ClasscastException

1 reply

Programmer Certification (OCPJP)

static method overriding

2 replies

Beginning Java

Runtime Polymorphism

3 replies

Beginning Java

Write the code of program Room?

139 replies [ 1, 2, 3, 4 ] 4

Beginning Java

Correct me if I'm wrong but can't you call a child method from main

5 replies

Swing / AWT / SWT

Graphics2D g2 = (Graphics2D)g;

13 replies

Threads and Synchronization

Call to subclass method fails intermittently from thread

4 replies

Programmer Certification (OCPJP)

abstract class and interfaces in java

9 replies

Java in General

casting superclass into subclass with struts

1 reply

Beginning Java

Implementing Methods

11 replies

OO, Patterns, UML and Refactoring

Clarifiction on Adapter Pattern!

7 replies

Programmer Certification (OCPJP)

downcasting doubt

6 replies

Java in General

access specifier for an overriding method can allow more, but not less, access than the overridden

3 replies

Beginning Java

Question regarding Cloneable interface and Subclasses

8 replies

Beginning Java

Confusion in overriding

1 reply

Beginning Java

Polymorphism at runtime

7 replies

Programmer Certification (OCPJP)

static methods can�t be overridden

5 replies

Java in General

Can we extends a class having private constructor?

12 replies

Programmer Certification (OCPJP)

JQ+ question

24 replies

Programmer Certification (OCPJP)

Superclass that requires any of its subclasses to create a no-arg constructor?

11 replies

Programmer Certification (OCPJP)

Casting subclass to superclass type

3 replies

Programmer Certification (OCPJP)

How to user polymophism??

2 replies

Beginning Java

Overloading with primitive types

7 replies

Programmer Certification (OCPJP)

Generics and return-type substitutability

19 replies

OO, Patterns, UML and Refactoring

'hiding' Parent class's methods

13 replies

Beginning Java

Inheritance.

3 replies

Programmer Certification (OCPJP)

ArrayStoreException

9 replies

Beginning Java

Superclasses

11 replies

Programmer Certification (OCPJP)

this and super

5 replies

Programmer Certification (OCPJP)

Overriding

3 replies

Beginning Java

Inheritance concepts

13 replies

Programmer Certification (OCPJP)

is this.setSuspension(suspensionType); same as suspension = suspensionType; ???

8 replies

Programmer Certification (OCPJP)

method overloading issues

5 replies

Beginning Java

Java Generics

22 replies

Programmer Certification (OCPJP)

why does this not compile?

12 replies

Programmer Certification (OCPJP)

Q. about constructors (and inheritage)

4 replies

Programmer Certification (OCPJP)

constructor question

4 replies

Swing / AWT / SWT

Beginner with GUIs

1 reply

Java in General

Java w/OOP principles.. (theory?)

5 replies

Programmer Certification (OCPJP)

Help me

1 reply

Beginning Java

Why declare an object and instantiate it as instance of inherited type?

13 replies

Other threads similar to casting a subclass as a superclass

Typesafe Downcasts

question from Dan's exam - ClassCastException

Superclass has subclass reference

Martin's [i]Agile Software Developement[/i]

generic method

Reference variable casting mechanism

Polymorphism with the same method

Casting reference types.

Understanding interfaces and abstract classes example

Reason for java.lang.ClasscastException

static method overriding

Runtime Polymorphism

Write the code of program Room?

Correct me if I'm wrong but can't you call a child method from main

Graphics2D g2 = (Graphics2D)g;

Call to subclass method fails intermittently from thread

abstract class and interfaces in java

casting superclass into subclass with struts

Implementing Methods

Clarifiction on Adapter Pattern!

downcasting doubt

access specifier for an overriding method can allow more, but not less, access than the overridden

Question regarding Cloneable interface and Subclasses

Confusion in overriding

Polymorphism at runtime

static methods can�t be overridden

Can we extends a class having private constructor?

JQ+ question

Superclass that requires any of its subclasses to create a no-arg constructor?

Casting subclass to superclass type

How to user polymophism??

Overloading with primitive types

Generics and return-type substitutability

'hiding' Parent class's methods

Inheritance.

ArrayStoreException

Superclasses

this and super

Overriding

Inheritance concepts

is this.setSuspension(suspensionType); same as suspension = suspensionType; ???

method overloading issues

Java Generics

why does this not compile?

Q. about constructors (and inheritage)

constructor question

Beginner with GUIs

Java w/OOP principles.. (theory?)

Help me

Why declare an object and instantiate it as instance of inherited type?