Diameter of Binary Tree.

Find diameter of Binary Tree. What is Diameter of a Binary Tree? A longest path or route between any two nodes in a tree is called as ...

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Check if number is Power of Two.

C heck if number is power of 2 . Lets understand what is the input and the expected output. If the number given to you is, Case ...

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Infinite loop in HashMap

Why HashMap should not be used in multi threaded environment? Can it cause infinite loop as well? When get method go to infinite loop in ...

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Difference between SOAP and REST Web Service.

Difference between SOAP and REST Web Service. No SOAP REST 1 SOAP stands for Simple Object Access Protocol. REST stands for ...

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Check whether a given string is an interleaving of two other given strings. (String 1 and String 2 contains unique characters)

Check whether a given string is an interleaving of two other given strings . (Assume there is unique characters in both strings) Lets u...

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Detect loop in linked list.

Detect loop in Linked list. Identify start node of loop in Linked list. Remove loop in Linked list. What is Loop in Linked list?   Ge...

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Java Interview Questions

Java Interview Questions   Question 1:   Can we Override static methods in java? What is method hiding in Java? What is the out...

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