POCO definition

Question

Can someone define what exactly  POCO  means  I am encountering the term more and more often  and I m wondering if it is only about plain classes or it means something more

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To add the the other answers  the POxx terms all appear to stem from POTS  Plain old telephone services    The POX  used to define simple  plain old  XML  rather than the complex multi-layered stuff associated with REST  SOAP etc  was a useful  and vaguely amusing  term  PO insert language of choice O terms have rather worn the joke thin

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In  NET a POCO is a  Plain old CLR Object   It is not a  Plain old C  object

User · Answer

Whilst I m sure POCO means Plain Old Class Object or Plain Old C Object to 99 9  of people here  POCO is also Animator Pro s  Autodesk  built in scripting language

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POCO stands for  Plain Old CLR Object

User · Answer

I may be wrong about this   but anyways  I think POCO is Plain Old Class CLR Object and it comes from POJO plain old Java Object  A POCO is a class that holds data and has no behaviours   Here is an example written in C    class Fruit        public Fruit            public Fruit string name  double weight  int quantity                 Name   name          Weight   weight          Quantity   quantity             public string Name   get  set        public double Weight   get  set        public int Quantity   get  set         public override string ToString                  return    Name ToUpper      Weight oz    Quantity

User · Answer

To add the the other answers  the POxx terms all appear to stem from POTS  Plain old telephone services    The POX  used to define simple  plain old  XML  rather than the complex multi-layered stuff associated with REST  SOAP etc  was a useful  and vaguely amusing  term  PO insert language of choice O terms have rather worn the joke thin

User · Answer

POCO is a plain old CLR object  which represent the state and behavior of the application in terms of its problem domain  it is a pure class  without inheritance  without any attributes  Example    public class Customer       public int Id   get  set         public string Name   get  set

User · Answer

POCO is a plain old CLR object  which represent the state and behavior of the application in terms of its problem domain  it is a pure class  without inheritance  without any attributes  Example    public class Customer       public int Id   get  set         public string Name   get  set

User · Answer

Most people have said it - Plain Old CLR Object  as opposed to the earlier POJO - Plain Old Java Object   The POJO one came out of EJB  which required you to inherit from a specific parent class for things like value objects  what you get back from a query in an ORM or similar   so if you ever wanted to move from EJB  eg to Spring   you were stuffed    POJO s are just classes which dont force inheritance or any attribute markup to make them  work  in whatever framework you are using   POCO s are the same  except in  NET   Generally it ll be used around ORM s - older  and some current ones  require you to inherit from a specific base class  which ties you to that product  Newer ones dont  nhibernate being the variant I know  - you just make a class  register it with the ORM  and you are off  Much easier

User · Answer

Interesting  The only thing I knew that had to do with programming and had POCO in it is the POCO C   framework

User · Answer

Most people have said it - Plain Old CLR Object  as opposed to the earlier POJO - Plain Old Java Object   The POJO one came out of EJB  which required you to inherit from a specific parent class for things like value objects  what you get back from a query in an ORM or similar   so if you ever wanted to move from EJB  eg to Spring   you were stuffed    POJO s are just classes which dont force inheritance or any attribute markup to make them  work  in whatever framework you are using   POCO s are the same  except in  NET   Generally it ll be used around ORM s - older  and some current ones  require you to inherit from a specific base class  which ties you to that product  Newer ones dont  nhibernate being the variant I know  - you just make a class  register it with the ORM  and you are off  Much easier

User · Answer

Most people have said it - Plain Old CLR Object  as opposed to the earlier POJO - Plain Old Java Object   The POJO one came out of EJB  which required you to inherit from a specific parent class for things like value objects  what you get back from a query in an ORM or similar   so if you ever wanted to move from EJB  eg to Spring   you were stuffed    POJO s are just classes which dont force inheritance or any attribute markup to make them  work  in whatever framework you are using   POCO s are the same  except in  NET   Generally it ll be used around ORM s - older  and some current ones  require you to inherit from a specific base class  which ties you to that product  Newer ones dont  nhibernate being the variant I know  - you just make a class  register it with the ORM  and you are off  Much easier

User · Answer

I may be wrong about this   but anyways  I think POCO is Plain Old Class CLR Object and it comes from POJO plain old Java Object  A POCO is a class that holds data and has no behaviours   Here is an example written in C    class Fruit        public Fruit            public Fruit string name  double weight  int quantity                 Name   name          Weight   weight          Quantity   quantity             public string Name   get  set        public double Weight   get  set        public int Quantity   get  set         public override string ToString                  return    Name ToUpper      Weight oz    Quantity

User · Answer

POCO stands for  Plain Old CLR Object

User · Answer

In Java land typically  PO  means  plain old   The rest can be tricky  so I m guessing that your example  in the context of Java  is  plain old class object    some other examples   POJO  plain old java object  POJI  plain old java interface

User · Answer

Interesting  The only thing I knew that had to do with programming and had POCO in it is the POCO C   framework

User · Answer

Interesting  The only thing I knew that had to do with programming and had POCO in it is the POCO C   framework

User · Answer

In Java land typically  PO  means  plain old   The rest can be tricky  so I m guessing that your example  in the context of Java  is  plain old class object    some other examples   POJO  plain old java object  POJI  plain old java interface

User · Answer

In WPF MVVM terms  a POCO class is one that does not Fire PropertyChanged events

User · Answer

Plain Old C  Object   Just a normal class  no attributes describing infrastructure concerns or other responsibilities that your domain objects shouldn t have   EDIT - as other answers have stated  it is technically  Plain Old CLR Object  but I  like David Arno comments  prefer  Plain Old Class Object  to avoid ties to specific languages or technologies   TO CLARIFY   In other words  they don   t derive from  some special base class  nor do they return any special types for their properties   See below for an example of each   Example of a POCO   public class Person       public string Name   get  set         public int Age   get  set        Example of something that isn   t a POCO   public class PersonComponent   System ComponentModel Component        DesignerSerializationVisibility DesignerSerializationVisibility Hidden       public string Name   get  set         public int Age   get  set        The example above both inherits from a special class to give it additional behavior as well as uses a custom attribute to change behavior    the same properties exist on both classes  but one is not just a plain old object anymore

User · Answer

In  NET a POCO is a  Plain old CLR Object   It is not a  Plain old C  object

User · Answer

Most people have said it - Plain Old CLR Object  as opposed to the earlier POJO - Plain Old Java Object   The POJO one came out of EJB  which required you to inherit from a specific parent class for things like value objects  what you get back from a query in an ORM or similar   so if you ever wanted to move from EJB  eg to Spring   you were stuffed    POJO s are just classes which dont force inheritance or any attribute markup to make them  work  in whatever framework you are using   POCO s are the same  except in  NET   Generally it ll be used around ORM s - older  and some current ones  require you to inherit from a specific base class  which ties you to that product  Newer ones dont  nhibernate being the variant I know  - you just make a class  register it with the ORM  and you are off  Much easier

User · Answer

Plain Old C  Object   Just a normal class  no attributes describing infrastructure concerns or other responsibilities that your domain objects shouldn t have   EDIT - as other answers have stated  it is technically  Plain Old CLR Object  but I  like David Arno comments  prefer  Plain Old Class Object  to avoid ties to specific languages or technologies   TO CLARIFY   In other words  they don   t derive from  some special base class  nor do they return any special types for their properties   See below for an example of each   Example of a POCO   public class Person       public string Name   get  set         public int Age   get  set        Example of something that isn   t a POCO   public class PersonComponent   System ComponentModel Component        DesignerSerializationVisibility DesignerSerializationVisibility Hidden       public string Name   get  set         public int Age   get  set        The example above both inherits from a special class to give it additional behavior as well as uses a custom attribute to change behavior    the same properties exist on both classes  but one is not just a plain old object anymore

User · Answer

Plain Old C  Object   Just a normal class  no attributes describing infrastructure concerns or other responsibilities that your domain objects shouldn t have   EDIT - as other answers have stated  it is technically  Plain Old CLR Object  but I  like David Arno comments  prefer  Plain Old Class Object  to avoid ties to specific languages or technologies   TO CLARIFY   In other words  they don   t derive from  some special base class  nor do they return any special types for their properties   See below for an example of each   Example of a POCO   public class Person       public string Name   get  set         public int Age   get  set        Example of something that isn   t a POCO   public class PersonComponent   System ComponentModel Component        DesignerSerializationVisibility DesignerSerializationVisibility Hidden       public string Name   get  set         public int Age   get  set        The example above both inherits from a special class to give it additional behavior as well as uses a custom attribute to change behavior    the same properties exist on both classes  but one is not just a plain old object anymore

User · Answer

Interesting  The only thing I knew that had to do with programming and had POCO in it is the POCO C   framework

User · Answer

In Java land typically  PO  means  plain old   The rest can be tricky  so I m guessing that your example  in the context of Java  is  plain old class object    some other examples   POJO  plain old java object  POJI  plain old java interface

User · Answer

POCO stands for  Plain Old CLR Object

User · Answer

Plain Old C  Object   Just a normal class  no attributes describing infrastructure concerns or other responsibilities that your domain objects shouldn t have   EDIT - as other answers have stated  it is technically  Plain Old CLR Object  but I  like David Arno comments  prefer  Plain Old Class Object  to avoid ties to specific languages or technologies   TO CLARIFY   In other words  they don   t derive from  some special base class  nor do they return any special types for their properties   See below for an example of each   Example of a POCO   public class Person       public string Name   get  set         public int Age   get  set        Example of something that isn   t a POCO   public class PersonComponent   System ComponentModel Component        DesignerSerializationVisibility DesignerSerializationVisibility Hidden       public string Name   get  set         public int Age   get  set        The example above both inherits from a special class to give it additional behavior as well as uses a custom attribute to change behavior    the same properties exist on both classes  but one is not just a plain old object anymore

User · Answer

In WPF MVVM terms  a POCO class is one that does not Fire PropertyChanged events

User · Answer

POCO stands for  Plain Old CLR Object

User · Answer

To add the the other answers  the POxx terms all appear to stem from POTS  Plain old telephone services    The POX  used to define simple  plain old  XML  rather than the complex multi-layered stuff associated with REST  SOAP etc  was a useful  and vaguely amusing  term  PO insert language of choice O terms have rather worn the joke thin

User · Answer

To add the the other answers  the POxx terms all appear to stem from POTS  Plain old telephone services    The POX  used to define simple  plain old  XML  rather than the complex multi-layered stuff associated with REST  SOAP etc  was a useful  and vaguely amusing  term  PO insert language of choice O terms have rather worn the joke thin

User · Answer

In Java land typically  PO  means  plain old   The rest can be tricky  so I m guessing that your example  in the context of Java  is  plain old class object    some other examples   POJO  plain old java object  POJI  plain old java interface

User · Answer

Whilst I m sure POCO means Plain Old Class Object or Plain Old C Object to 99 9  of people here  POCO is also Animator Pro s  Autodesk  built in scripting language

[class] 'POCO' definition

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