What is binary tree in computer science?
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Mention for which header list, you will found the last node contains the null pointer?
What are hashmaps good for?
Are collections thread safe?
Is null allowed in list?
What is the time complexity of arrays sort?
Write the algorithm for converting infix expression to postfix expression?
How do you find the length of an arraylist?
Is tuple immutable?
What is concept of data structure?
What is queue example?
what is hashing
What is the difference between a hashmap and hashtable?