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ICSE Class 10 Classes, Encapsulation and Scope — practice questions — page 2

Explore 144 free Classes, Encapsulation and Scope questions in ICSE Class 10 Computer Applications. Open each question or exercise to read its content, reference answers and available explanation.

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Classes, Encapsulation and Scope questions and exercises with answers

Showing questions 31–60 of 144.

What collective term encompasses both class and instance variables?Read the answer and worked solution →What kinds of variables is a class method restricted to using?Read the answer and worked solution →What term describes keeping related data fields and methods together?Read the answer and worked solution →What practice keeps the internal details of an object hidden from outside?Read the answer and worked solution →Which access specifier restricts access exclusively to its own class?Read the answer and worked solution →Which access specifier allows any code to access a class member by name?Read the answer and worked solution →Which modifier allows access to the class itself and all its subclasses?Read the answer and worked solution →By what process is an individual object constructed from a class?Read the answer and worked solution →What is provided to consuming code after an object is allocated memory?Read the answer and worked solution →What language construct defines the actions or behavior of a class?Read the answer and worked solution →What class elements syntactically describe state variables in a program?Read the answer and worked solution →What term identifies a class that can be directly instantiated?Read the answer and worked solution →What kind of class cannot be directly instantiated to create objects?Read the answer and worked solution →What restriction is placed on a class declared with the final keyword?Read the answer and worked solution →Which phrase describes a compositional relationship between classes?Read the answer and worked solution →What relationship connects a derived child class to its superclass?Read the answer and worked solution →Which special keyword in Java refers to the current object itself?Read the answer and worked solution →What kind of object does not change its state at all after creation?Read the answer and worked solution →What does encapsulation bundle together with data in software systems?Read the answer and worked solution →What internal aspect of an object is hidden by encapsulation?Read the answer and worked solution →Encapsulation provides an interface independent of what aspect?Read the answer and worked solution →Which architectural benefit is directly encouraged by encapsulation?Read the answer and worked solution →Which core language construct supports encapsulation in most OOP languages?Read the answer and worked solution →Why can inheritance break encapsulation according to design principles?Read the answer and worked solution →Under information hiding, what directly manipulates an object's fields?Read the answer and worked solution →How does hiding an object's internal representation protect its integrity?Read the answer and worked solution →How does encapsulation increase robustness according to software theory?Read the answer and worked solution →Which pair of keywords typically controls visibility in Java and C++?Read the answer and worked solution →What property do access specifiers primarily set for class members?Read the answer and worked solution →Which OOP mechanism is facilitated by access modifier syntax?Read the answer and worked solution →

Worked practice questions

What collective term encompasses both class and instance variables?

  1. Local variables
  2. Stack variables
  3. Input variables
  4. Member variables
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Correct answer: D. Member variables

Member variables refer to both the class variables and instance variables.

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What kinds of variables is a class method restricted to using?

  1. Instance variables only
  2. Volatile variables only
  3. Class variables only
  4. Transient variables only
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Correct answer: C. Class variables only

A class method can only use class variables belonging to the class itself.

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What term describes keeping related data fields and methods together?

  1. Loose coupling
  2. Type casting
  3. Data cohesion
  4. Code inlining
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Correct answer: C. Data cohesion

Cohesion refers to keeping related fields and methods organized together.

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