Below are some important OOPS interview questions which are asked in most MNC company interviews for beginners or professionals.
21. Explain the meaning of object in object oriented programming?
Languages which are called as object oriented almost implement everything in them as objects such as punctuations, characters, prototypes, classes, modules, blocks, etc. They were designed to facilitate and implement object oriented methods.
22. Explain about message passing in object oriented programming?
Message passing is a method by which an object sends data to another object or requests other object to invoke method. This is also known as interfacing. It acts like a messenger from one object to other object to convey specific instructions.
23. State about Java and its relation to Object oriented programming?
Java is widely used and its share is increasing considerably which is partly due to its close resemblance to object oriented languages such as C and C++. Code written in Java can be transported to many different platforms without changing it. It implements virtual machine.
24. What are the problems faced by the developer using object oriented programming language?
These are some of the problems faced by the developer using object oriented language they are: -
1) Object oriented uses design patterns which can be referred to as anything in general.
2) Repeatable solution to a problem can cause concern and disagreements and it is one of the major problems in software design.
25. State some of the advantages of object oriented programming?
Some of the advantages of object oriented programming are as follows: -
1) A clear modular structure can be obtained which can be used as a prototype and it will not reveal the mechanism behind the design. It does have a clear interface.
2) Ease of maintenance and modification to the existing objects can be done with ease.
3) A good framework is provided which facilitates in creating rich GUI applications.
21. Explain the meaning of object in object oriented programming?
Languages which are called as object oriented almost implement everything in them as objects such as punctuations, characters, prototypes, classes, modules, blocks, etc. They were designed to facilitate and implement object oriented methods.
22. Explain about message passing in object oriented programming?
Message passing is a method by which an object sends data to another object or requests other object to invoke method. This is also known as interfacing. It acts like a messenger from one object to other object to convey specific instructions.
23. State about Java and its relation to Object oriented programming?
Java is widely used and its share is increasing considerably which is partly due to its close resemblance to object oriented languages such as C and C++. Code written in Java can be transported to many different platforms without changing it. It implements virtual machine.
24. What are the problems faced by the developer using object oriented programming language?
These are some of the problems faced by the developer using object oriented language they are: -
1) Object oriented uses design patterns which can be referred to as anything in general.
2) Repeatable solution to a problem can cause concern and disagreements and it is one of the major problems in software design.
25. State some of the advantages of object oriented programming?
Some of the advantages of object oriented programming are as follows: -
1) A clear modular structure can be obtained which can be used as a prototype and it will not reveal the mechanism behind the design. It does have a clear interface.
2) Ease of maintenance and modification to the existing objects can be done with ease.
3) A good framework is provided which facilitates in creating rich GUI applications.
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