| 31. | Where is the memory allocated for the objects? |
| a. | HDD |
| b. | Cache |
| c. | RAM |
| d. | ROM |
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Answer: (c).RAM
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| 32. | When is the memory allocated for an object? |
| a. | At declaration of object |
| b. | At compile time |
| c. | When object constructor is called |
| d. | When object is initialized to another object |
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Answer: (c).When object constructor is called
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| 33. | Using new is type safe as _______________________ |
| a. | It require to be specified with type of data |
| b. | It doesn’t require to be specified with type of data |
| c. | It requires the name of data |
| d. | It allocated memory for the data |
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Answer: (b).It doesn’t require to be specified with type of data
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| 34. | Which of the following function can be used for dynamic memory allocation of objects? |
| a. | malloc() |
| b. | calloc() |
| c. | create() |
| d. | malloc() and calloc() |
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Answer: (d).malloc() and calloc()
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| 35. | How much memory will be allocated for an object of class given below?
|
| a. | 22 Bytes |
| b. | 24 Bytes |
| c. | 20 Bytes |
| d. | 18 Bytes |
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Answer: (a).22 Bytes
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| 36. | Which keyword among the following can be used to declare an array of objects in java? |
| a. | new |
| b. | create |
| c. | allocate |
| d. | arr |
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Answer: (a).new
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| 37. | When is the memory allocated for an object gets free? |
| a. | At termination of program |
| b. | When object goes out of scope |
| c. | When main function ends |
| d. | When system restarts |
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Answer: (b).When object goes out of scope
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| 38. | Which among the following keyword can be used to free the allocated memory for an object? |
| a. | delete |
| b. | free |
| c. | either delete or free |
| d. | only delete |
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Answer: (c).either delete or free
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| 39. | Which function is called whenever an object goes out of scope? |
| a. | Destructor function |
| b. | Constructor function |
| c. | Delete function |
| d. | Free function |
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Answer: (a).Destructor function
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| 40. | Which operator can be used to check the size of an object? |
| a. | sizeof(objectName) |
| b. | size(objectName) |
| c. | sizeofobject(objectName) |
| d. | sizedobject(objectName) |
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Answer: (a).sizeof(objectName)
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