What is internal and external sorting?
What is the difference between arraylist and linkedlist?
Is hashset a collection?
What is a subtree?
What is sorting rule in shapes?
What is breadth first tree?
What do you mean by data types?
Why do we need to recycle?
“int a[] = new int[3]{1, 2, 3}” – This a legal way of defining the arrays?
What is a treemap chart?
What is 2 dimensional linked list?
What is a vector element?
How can you insert a node at the end of linked list?