How would you reverse a linked list in Java?
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Write a program that sees if two binary trees are equal.
Write a program that reverses the words in a sentence.
How would you test if a binary tree were symmetrical and balanced.
Find the longest subsequence in a given array of numbers in O(n)
unlimited supply of coins of different demoninations. pick min number of coins to get given amount.
There are many conference room at Amazon, your manager want you to book a conference room for a meeting. The number of people and time is given. Please return a list of rooms which are available at that time and have enough capacity.
What is the fast sorting algorithm and why?
Reverse a string in-place.
String,String buffer,String builder difference. Can u write your own immutable class n how? hashmap implementation and hashcode(),equals() method he asked me to write 2 logical testing programs with reduced complexity( 0,1,1,2,4,5,3,3,1,0,1 traverse once only n get the duplicate number's along with the count). printing pascal triangle duplicate letter from a string with less complexity reversing words of string individually(this is a tree---o/p: siht si a eert)
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