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- Question
Which method names follow the JavaBeans standard?
Options- A. addSize
- B. putDimensions
- C. getCust
- D. deleteRep
- Correct Answer
- getCust
ExplanationC use the valid prefixes 'get' and 'is
- 1. 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 Discuss
- 2. 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
- 3. Which of the following is not the other name of attriibute?
Options- A. Data member
- B. Instance variable
- C. instance
- D. Data filed Discuss
- 4. 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
- 5. Client code having direct access to internal data is called
Options- A. Encapsulation
- B. DataHiding
- C. Polymorphism
- D. DataAbstraction Discuss
- 6. What is the difference between throw and throws clause? Discuss
- 7. What are the various elements of OOPS? Discuss
- 8. 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
- 9. 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
- 10. How many types of classes are there in Java? Discuss
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Search Results
Correct Answer: Transcient
Explanation:
If 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.
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: 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
Correct Answer: Two types of classes: 1) Top Level Class 2) Classes within Class i) member classes a) static member class b) non static member class ii) local classes iii) anonymous classes
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