Can arraylist contain duplicates?
Which is the parent class of abstractsequentiallist class?
What are the types of algorithms?
What is the complexity of arrays sort?
What is bubble sort used for?
What is a binary search tree? Explain with example?
What is entryset method in map?
Differentiate between iterable and iterator.
What is binary tree example?
an array t[100] which contains numbers between 1..99. Return the duplicated value. Try both O(n) and O(n-square).
Can we store a string and integer together in an array?
What do you know about the big-o notation and can you give some examples with respect to different data structures?
Tell me why can't constant values be used to define an array's initial size