What is collections singletonlist?
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Are the expressions arr and &arr same for an array of integers?
What is difference between array and arraylist? When will you use array over arraylist?
Name few classes that implement collection interface?
What do you mean by spanning tree?
What is difference between hashtable and hashmap?
Can we give size to arraylist?
What's the difference between an array and vector?
Which is better than array and linked list?
What is hashing technique?
How to reference all the elements in a one-dimension array?
Differentiate between comparable and comparator.
How will you free the memory that is allocated at run time?