Is arraylist a collection?
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What will be the output of below code?
Define internal nodes?
How remove all from arraylist?
State the demerits of linked representation of binary trees?
List the differences between comparable and comparator interface?
Differentiate between iterator and listiterator.
What is binary search in data structure?
What is the time complexity of arraylist and linked list?
Define forest?
Why do we use hashmap?
what is a complexity of linear search,binery search?
Can we modify final arraylist?