Which of the collections allows null as the key?

923

What is int data type?

997

Explain the difference between a list and array.

1009

Give a good data structure for having n queues ( n not fixed) in a finite memory segment. You can have some data-structure separate for each queue. Try to use at least 90% of the memory space.

1001

What is unbounded queue?

969

What is the use of data structure in real life?

1004

What is the difference between a stack and an array?

1132

What is the difference between null and void pointer in data structures?

1217

Can we add or delete an element after assigning an array?

1098

What is a hash index?

930

What does map stand for?

1084

Why is sorting necessary?

937

Tell me can the size of operator be used to tell the size of an array passed to a function?

1049

What do you mean by double hashing?

1102

Why do we use data structures?

957