What is Object Oriented model?

1 Answer

Answer :

This model is based on collection of objects. An object contains values stored in instance  variables with in the object. An object also contains bodies of code that operate on the object.  These bodies of code are called methods. Objects that contain same types of values and the  same methods are grouped together into classes.

Related questions

Description : Is forms 4.5 object oriented tool ? why?

Last Answer : yes , partially. 1) PROPERTY CLASS - inheritance property 2) OVERLOADING : procedures and functions.

Description : How does Tuple-oriented relational calculus differ from domain-oriented relational calculus?

Last Answer : The tuple-oriented calculus uses a tuple variables i.e., variable whose only permitted values are tuples of that relation. E.g. QUEL The domain-oriented calculus has domain variables i.e., variables that range over the underlying domains instead of over relation. E.g. ILL, DEDUCE.

Description : What is Set-at-a-time or Set-oriented?

Last Answer : The High level or Non-procedural DML can specify and retrieve many records in a single DML statement. This retrieve of a record is said to be Set-at-a-time or Set-oriented.

Description : Language model used in LISP is ................. (A) Functional programming (B) Logic programming (C) Object oriented programming (D) All of the above

Last Answer : (A) Functional programming

Description : Explain merits and demerits of Object Oriented Database model.

Last Answer : Object oriented models were introduced to overcome the shortcomings of conventional models like Relational, Hierarchical and network model. An object-oriented database is collection of objects whose behavior, state, ... . * There is no view mechanism * There is no adequate security mechanism.

Description : What are the different objects that you cannot copy or reference in object groups?

Last Answer : Objects of different modules Another object groups Individual block dependent items Program units.

Description : What is an anchoring object & what is its use? What are the various sub events a mouse double click event involves?

Last Answer : An anchoring object is a print condition object which used to explicitly or implicitly anchor other objects to itself.

Description : Is it possible to center an object horizontally in a repeating frame that has a variable horizontal size?

Last Answer : Yes

Description : Can object group have a block?

Last Answer : Yes , object group can have block as well as program units.

Description : What are object group?

Last Answer : An object group is a container for a group of objects. You define an object group when you want to package related objects so you can copy or reference them in another module.

Description : What is an object group?

Last Answer : An object group is a container for a group of objects; you define an object group when you want to package related objects, so that you copy or reference them in other modules.

Description : What are the built-ins used for finding Object ID function?

Last Answer : FIND_GROUP(function) FIND_COLUMN(function)

Description : What are the built-ins used for finding object ID functions?

Last Answer : Find_group(function) Find_column(function)

Description : What is the difference between object embedding & linking in Oracle forms?

Last Answer : In Oracle forms, Embedded objects become part of the form module, and linked objects are references from a form module to a linked source file.

Description : What are the two repeating frame always associated with matrix object?

Last Answer : One down repeating frame below one across repeating frame.

Description : What are the two types of views available in the object navigator(specific to report 2.5)?

Last Answer : View by structure and view by type .

Description : What is Object Auditing ?

Last Answer : Object auditing is the auditing of accesses to specific schema objects without regard to user.

Description : Is it possible to insert comments into sql statements return in the data model editor?

Last Answer : Yes

Description : Why is it preferable to create a fewer no. of queries in the data model?

Last Answer : Because for each query, report has to open a separate cursor and has to rebind, execute and fetch data.

Description : Atleast how many set of data must a data model have before a data model can be base on it?

Last Answer : Four

Description : Does a grouping done for objects in the layout editor affect the grouping done in the data model editor?

Last Answer : No.

Description : If two groups are not linked in the data model editor, What is the hierarchy between them?

Last Answer : Two group that is above are the left most rank higher than the group that is to right or below it.

Description : What is E-R model?

Last Answer : This data model is based on real world that consists of basic objects called entities and of relationship among these objects. Entities are described in a database by a set of attributes.

Description : What is Data Model?

Last Answer : A collection of conceptual tools for describing data, data relationships data semantics and constraints.

Description : The Relational Model Database:

Last Answer : The relational model is the most popular type of database and an extremely powerful tool, not only to store information, but to access it as well. Relational databases are organized as tables. The ... reorganizing the tables. A table can have many records and each record can have many fields.

Description : The Network Model Database:

Last Answer : In a network model, the defining feature is that a record is stored with a link to other records – in effect networked. These networks (or sometimes referred to as pointers) can be a variety of different types of information such as node numbers or even a disk address.

Description : The Hierarchical Model Database:

Last Answer : The hierarchical model database resembles a tree like structure, such as how Microsoft Windows organizes folders and files. In a hierarchical model database, each upward link is nested in order to keep data ... Within this nested file are all of the sales (same types of data) for the day.

Description : The Flat Model Database:

Last Answer : In a flat model database, there is a two dimensional (flat structure) array of data. For instance, there is one column of information and within this column it is assumed that each data item will be related ... will only be one column and each new row within that one column will be a new zip code.

Description : Object-oriented programmers: what is your process when you're physically coding?

Last Answer : answer:What language are you coding in? In .net there are interfaces, that I have found to be very useful. I don;t remember whether Java has anything similar. With interfaces you can avoid the ... to be able to test as I go along. This frequently leads to initial concentration on auxiliary modules.

Description : What is object oriented programming?

Last Answer : Object-oriented programming provides a higher level for programmers to envision and develop their applications. Without attempting to define the concept, we merely note that one deals with objects and ... problem is solved by interfacing the objects. It reduces the complexity of the program design.

Description : Basic is language. A) a procedural B) an object oriented C) both A and B D) none of the above

Last Answer : Answer : A

Description : Briefly explain encapsulation and why it is important in object-oriented - programming.

Last Answer : Encapsulation is the principle that all of the data and functionality required by an object be contained by that object. This allows objects to exist as independent, interchangeable units of functionality without maintaining dependencies on other units of code.

Description : Object-oriented concepts are not new. The first OO language was  considered to be a) ALGOL-68 B) FORTRAN 77 c) CMODULA d) SIMULA 67.

Last Answer : d) SIMULA 67.

Description : Assembly language program is called. a. Object program b. Source program c. Oriented program

Last Answer : b. Source program

Description : In object oriented design of software , objects have ? attributes and names only operations and names only attributes, name and operations None of above

Last Answer : attributes, name and operations

Description : Which of the following comments about object oriented design of software, is not true ? Objects inherit the properties of class Classes are defined based on the attributes of objects an object can belong to two classes classes are always different

Last Answer : an object can belong to two classes

Description : _________is popular object oriented programming language used for general purpose: a) C b) C++ c) FORTRAN d) None of These

Last Answer : b) C++

Description : Which of the following are not programming paradigms types: a) Object Oriented Programming b) Aspect Oriented Programming c) Session Oriented Programming d) Structured Programming e) None of These

Last Answer : c) Session Oriented Programming

Description : Classic OOP - Object Oriented programming can be traced back to a language called Simula, and in particular Simula 67, which was popular during the _____: a) 1930s b) 1960s c) 1950s d) None of These

Last Answer : b) 1960s

Description : One of the principal advantage of object oriented programming techniques over procedural programming techniques is that they enable programmers to create ______that do not need to be changed when a new type of object is added: a) Networks b) Modules c) Data Slates d) None of These

Last Answer : b) Modules

Description : Object Oriented Programming (OOP) is a _______philosophy: a) Network b) Design c) Data Type d) None of These

Last Answer : b) Design

Description : Is C# object-oriented?

Last Answer : Yes, C# is an OO language in the tradition of Java and C++.

Description : Is C# is object oriented?

Last Answer : Yes, C# is an OO language in the tradition of Java and C++.

Description : Is Java an Object Oriented language?

Last Answer : A: Yes.

Description : Name any two basics Principle of Object-Oriented Programming.

Last Answer : Ans. Encapsulation and Polymorphism

Description : Which one of the following is true for Java? A) Java is object oriented and interpreted B) Java is efficient and faster than C C) Java is the choice of everyone. D) Java is not robust.

Last Answer : A) Java is object oriented and interpreted

Description : Explain various Object Oriented concepts used in Software Engineering. Give an example.

Last Answer : Ans .Various concepts of Object Oriented concepts used in Software Engineering: Object:- An object is something which is capable of being seen, touched or sensed. Each object has certain distinctions ... . A message can be sent between two objects only if they have an association between them.

Description : Why does the software design improve when we use object-oriented concepts?

Last Answer : Ans. The software design improves when we use object-oriented concepts because 1.Object-orientation works at higher level of abstraction. The development can proceed at the object level and ... good programming techniques. 4.Object-oriented programming design and programming promote code re-use.

Description : Differentiate between object oriented and function oriented design .

Last Answer : Ans: Function-oriented design relies on identifying functions which transform their inputs to create outputs. In most systems, functions share some global system state. The functional design ... strategy is often a heterogeneous one where both functional and object-oriented approaches are used.

Description : If the objects focus on the problem domain, then we are concerned with (A) Object Oriented Analysis. (B) Object Oriented Design (C) Object Oriented Analysis & Design (D) None of the above

Last Answer : (A) Object Oriented Analysis.