Object Oriented Programming Using Java Module 1 Quiz
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Questions and Answers

Which committee is responsible for reviewing the study material?

  • Members Committee
  • SLM Review Committee (correct)
  • Advisory Committee
  • Chairman Committee

    • What is the main focus of Module 1 in the study material?

  • IDE for developing Java Application
  • Object Oriented Programming (correct)
  • Introduction to C++
  • History of Java

    • In Object Oriented Programming, what is the concept of 'Abstraction' related to?

  • Encapsulation
  • Inheritance
  • Data Hiding (correct)
  • Polymorphism

    • Which individual is part of the SLM Review Committee?

    <p>Ms. Nitika Khanna</p> Signup and view all the answers

    What does the acronym 'OOP' stand for in the context of the study material?

    <p>Object-Oriented Programming</p> Signup and view all the answers

    What is the purpose of 'Encapsulation' in Object Oriented Programming?

    <p>To achieve data hiding</p> Signup and view all the answers

    What is the order of invocation of constructors in inheritance in Java?

    <p>Subclass constructor, superclass constructor</p> Signup and view all the answers

    Which package access specifier allows access only within the same class to which they belong?

    <p>Private</p> Signup and view all the answers

    What is the implementation of finally, throw & throws in exception handling known as?

    <p>Exception propagation</p> Signup and view all the answers

    Which type of class in Java cannot be inherited?

    <p>Final class</p> Signup and view all the answers

    What is the fundamental concept of the StringBuffer class in Java?

    <p>Mutable strings</p> Signup and view all the answers

    What is the lifecycle of a thread in Java multithreading?

    <p>Create, start, run, terminate</p> Signup and view all the answers

    Which keyword is used to refer to the current instance of the class in Java?

    <p><em>this</em></p> Signup and view all the answers

    What does the 'implements' keyword indicate in Java?

    <p>'implements' is used for interface implementation</p> Signup and view all the answers

    Which type of exceptions are checked at compile time by the Java compiler?

    <p>Checked exceptions</p> Signup and view all the answers

    What is the purpose of the 'default' access specifier for members of a class in Java?

    <p>To make the members accessible anywhere within the same package and also by subclass(es) outside the package</p> Signup and view all the answers

    What is the fundamental difference between Object Oriented Programming (OOP) and Procedure Oriented Programming (POP)?

    <p>OOP focuses on objects and classes, while POP focuses on functions and logic.</p> Signup and view all the answers

    What is the key difference between the history of Java and C++?

    <p>Java was initially designed for web-based applications, while C++ was not</p> Signup and view all the answers

    What does 'JDK' stand for in the context of Java development?

    <p>Java Developer Kit</p> Signup and view all the answers

    Which construct is NOT used in Java?

    <p>Virtual classes</p> Signup and view all the answers

    What is the main purpose of method overriding in Java?

    <p>To enable a subclass to provide a specific implementation of a method that is already provided by its parent class</p> Signup and view all the answers

    What distinguishes Abstract classes from Final classes in Java?

    <p>Abstract classes cannot have abstract methods, while Final classes can.</p> Signup and view all the answers

    Which programming paradigm involves breaking down a task into subtasks and specifying a step-by-step algorithm to accomplish the task?

    <p>Procedural programming</p> Signup and view all the answers

    What is the main reason for developing object-oriented programming languages like C++ and Java?

    <p>To manage the increasing size and complexity of programs</p> Signup and view all the answers

    In object-oriented programming, what is the main feature that promises wide reusability through inheritance and library functions?

    <p>Standard Template Library (STL)</p> Signup and view all the answers

    What is the primary purpose of the structured programming paradigm with C as an implementing language?

    <p>Promote procedural calls and memory management</p> Signup and view all the answers

    Which programming paradigm was created to increase programmer's productivity by overcoming the weaknesses found in procedural programming approach?

    <p>Object-oriented programming</p> Signup and view all the answers

    What are the two basic aspects of programming mentioned in the text?

    <p>Data and instructions</p> Signup and view all the answers

    What is the purpose of the algorithm in computer parlance?

    <p>To specify a sequence of steps to be followed for a desired output</p> Signup and view all the answers

    Which programming paradigm involves elements like functions, data, and data structures?

    <p>Object-oriented programming</p> Signup and view all the answers

    What does OOP primarily focus on as compared to procedural programming?

    <p>Enhancing programmer's productivity</p> Signup and view all the answers

    What is the main need for developing object-oriented languages like C++ and Java?

    <p>To manage the increasing size and complexity of programs</p> Signup and view all the answers

    Study Notes

    Study Material Review Committee

    • The SLM Review Committee is responsible for reviewing the study material.

    Module 1 Focus

    • The main focus of Module 1 is not specified.

    Object-Oriented Programming Concepts

    • Abstraction is related to showing only the necessary information to the outside world while hiding the internal details.
    • OOP stands for Object-Oriented Programming.
    • Encapsulation is used to hide the implementation details of an object from the outside world.
    • The purpose of encapsulation is to protect the data from external interference and misuse.

    Constructors and Inheritance

    • In Java, the order of invocation of constructors in inheritance is from the parent to the child.

    Access Specifiers

    • The package access specifier allows access only within the same class to which they belong.

    Exception Handling

    • The implementation of finally, throw, and throws in exception handling is known as exception handling mechanism.

    Class and Inheritance

    • A final class in Java cannot be inherited.
    • The 'implements' keyword indicates that a class provides implementation for an interface.

    Thread and Multithreading

    • The lifecycle of a thread in Java multithreading includes creation, birth, execution, and death.

    ###_KEYWORDS

    • The 'this' keyword is used to refer to the current instance of the class in Java.

    Exception Types

    • Checked exceptions are checked at compile time by the Java compiler.

    Access Specifiers and Members

    • The 'default' access specifier allows access to members of a class within the same package.

    Programming Paradigms

    • The fundamental concept of Object-Oriented Programming (OOP) is different from Procedure Oriented Programming (POP) in that OOP focuses on objects and their interactions.
    • The key difference between the history of Java and C++ is not specified.
    • JDK stands for Java Development Kit in the context of Java development.
    • The 'go to' construct is not used in Java.
    • The main purpose of method overriding in Java is to provide a specific implementation of a method that is already provided by its superclass.
    • Abstract classes are distinguished from Final classes in that Abstract classes can be inherited, but Final classes cannot.

    History of Programming

    • The primary purpose of the structured programming paradigm with C as an implementing language is to reduce the complexity of the program.
    • Object-oriented programming paradigm was created to increase programmer's productivity by overcoming the weaknesses found in procedural programming approach.
    • The two basic aspects of programming mentioned are not specified.
    • The purpose of the algorithm in computer parlance is to provide a step-by-step procedure for solving a problem.
    • The programming paradigm involving elements like functions, data, and data structures is Procedural Programming.
    • OOP primarily focuses on objects and their interactions as compared to procedural programming.
    • The main need for developing object-oriented languages like C++ and Java is to increase programmer's productivity and reduce the complexity of the program.

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    Description

    Test your understanding of Object Oriented Programming (OOP) and Introduction to Java with this quiz. Questions cover fundamentals of OOP, classes and objects, abstraction, encapsulation, inheritance, polymorphism, history of Java, and comparison with C++.

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