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Java Basic Mcq Questions and Answers

Computer Languages
37. Inheritance
 
  • A. Enables to add additional features to an existing class without modifying it
  • B. Supports the concept of hierarchical classifications
  • C. Is a process by which objects of one class acquire the properties of objects of another class
  • D. All of these
Answer: D.
All of these
 
38. Java
 
  • A. Is a simplified version of C++
  • B. Does not support multithreaded programs
  • C. Is a dynamic language
  • D. All of these
Answer: D.
All of these
 
 
39. The operator 1 is
 
  • A. Logical AND
  • B. Logical OR
  • C. Equality
  • D. One’s complement
Answer: B.
Logical OR
 
40. Which of the following statement is/are correct?
 
  • A. A thread is a simple flow of control
  • B. Every program will have at least one thread
  • C. The ability to execute several programs simultaneously, is called multithreading
  • D. All of these
Answer: D.
All of these