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- Question
Which key word is to be used to tell the JVM to skip the variable while performing the serialization process of the object containing it?
Options- A. Transcient
- B. Volatile
- C. Static
- D. Final
- Correct Answer
- Transcient
ExplanationIf you mark an instance variable as transient, you're telling the JVM to skip (ignore) this variable when you attempt to serialize the object containing it.
- 1. In a single virtual machine, the Java programming language passes arguments by
Options- A. Refference
- B. Value
- C. Both A and B
- D. None Discuss
- 2. Which of the following is not the other name of attriibute?
Options- A. Data member
- B. Instance variable
- C. instance
- D. Data filed Discuss
- 3. There is one default constructor in every class.
Options- A. The above statement is true
- B. The above statement is false
- C. Both true and false
- D. None Discuss
- 4. Client code having direct access to internal data is called
Options- A. Encapsulation
- B. DataHiding
- C. Polymorphism
- D. DataAbstraction Discuss
- 5. An algorithm written once which can be used in many places is called
Options- A. Block
- B. Function
- C. Datatype
- D. None Discuss
- 6. Which method names follow the JavaBeans standard?
Options- A. addSize
- B. putDimensions
- C. getCust
- D. deleteRep Discuss
- 7. What is the difference between throw and throws clause? Discuss
- 8. What are the various elements of OOPS? Discuss
- 9. A lock can be acquired on a class. The above statement is
Options- A. True
- B. False
- C. Both A and B
- D. None Discuss
- 10. Which of the following modifiers can be used with Local inner class?
Options- A. Final or Abstract
- B. Final or Transcient
- C. Abstract or Transcient
- D. Final or public Discuss
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Correct Answer: Value
Explanation:
In single virtual machine,JVM passes arguments only by value.
Correct Answer: instance
Explanation:
Instance is an object not an attribute
Correct Answer: The above statement is true
Explanation:
There will always be a default constructor in every class
Correct Answer: DataHiding
Explanation:
Client code must use setters and getters to access internal data in DataHiding
Correct Answer: Function
Explanation:
Function is an algorithm which can be used any where in the program when required
Correct Answer: getCust
Explanation:
C use the valid prefixes 'get' and 'is
Correct Answer: A throw is used to throw an exception manually, where as throws is used in the case of checked exceptions, to tell the compiler that we haven't handled the exception, so that the exception will be handled by the calling function
Correct Answer: Various elements of OOP are: ? Object ? Class ? Method ? Encapsulation ? Information Hiding ? Inheritance ? Polymorphism
Correct Answer: True
Explanation:
A lock can be acquired on a class. This lock is acquired on the class's Class object.
Correct Answer: Final or Abstract
Explanation:
It can either be Final or Abstract
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