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Convert Infix Expression To Postfix Expression Given an infix expression and convert it to a postfix expression. A mathematical expression...

Evaluate Postfix Expression A Postfix Expression, also called Reverse Polish Notation , is a mathematical expression in which every operator...

Implement Bounded Blocking Queue Write a multithreaded bounded Blocking Queue where the capacity of the queue is limited. Implement size ...

Implement Iterator for Perfect Power Generator Provide an implementation of the following interface: public interface Powers extends Iter...

Find First Unique Character in A String Given a string, find the first non-repeating character in the string. For example, given "g...

Official Java Documents for Iterable Interface: java.lang.Iterable . Official Java Documents for Iterator Interface: java.util.Iterator . ...

Find All Prime Numbers Given a number n , print all primes smaller than or equal to n . It is also given that n is a small number. For e...

Reservoir Sampling Choose a sample of k items from a list S containing n items, where n is either a very large or unknown number. The ...

Maximum Coin Value Consider a row of n coins of values ( v1, ..., vn ), where n is even. We play a game against an opponent by alternating...

Diameter of a Binary Tree The diameter of a tree (sometimes called the width ) is the number of nodes on the longest path between two leave...