96. Which of these method is used to reduce the capacity of an ArrayList object?

1. 1. trimTosize()

   
   
   

   2. trimToSize()

   
   
   

   3. trimSize()

   
   
   

   4. trim()

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   trimTosize() is used to reduce the size of the array that underlines an ArrayList object.

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97. Which of these methods can be used to obtain a static array from an ArrayList object?

1. 1. covertoArray()

   
   
   

   2. Array()

   
   
   

   3. covertArray()

   
   
   

   4. toArray()

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   toArray()

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98. Which of these method of ArrayList class is used to obtain present size of an object?

1. 1. capacity()

   
   
   

   2. index()

   
   
   

   3. length()

   
   
   

   4. size()

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   size()

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99. Which of these method can be used to increase the capacity of ArrayList object manually?

1. 1. increasecapacity()

   
   
   

   2. ensureCapacity()

   
   
   

   3. Capacity()

   
   
   

   4. increaseCapacity()

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   When we add an element, the capacity of ArrayList object increases automatically, but we can increase it manually to specified length x by using function ensureCapacity(p);

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100. Which of these class can generate an array which can increase and decrease in size automatically?

1. 1. DynamicList()

   
   
   

   2. MallocList()

   
   
   

   3. ArrayList()

   
   
   

   4. LinkedList()

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   ArrayList()

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