Define back edge?
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What is rule regarding overriding equals and hascode method?
You want to insert a new item in a binary search tree. How would you do it?
Let the G be a graph with 100 vertices numbered 1 to 100 Two vertices i and j are adjecnt if | i-j| =8 or | i-j| =12. The Number of connected components in G is ?
What are all the classes and interfaces that are available in the collections?
Will hashmap allow null keys?
Write the importance of hashing?
Is binary tree a bst?
When will we get ArrayStoreException?
What are the 3 types of variables?
What is indexing an array?
What is difference between linear and non linear data structure?
What are the disadvantages of representing a stack or queue by a linked list?