Diff b/w var1 == var2 and var1.equals(var2) Which method needs to be implemented along with equals()?
Desarrollador Web Java Senior Interview Questions
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Knapsack problem with a twist that you can take any number of sacks of a given weight.
Create a cache with fast look up that only stores the N most recently accessed items.
Given an array of numbers e.g. [1,3,7,7,8,8,9], create a function that returns the indeces of a target number. For example, target is 8, return [4,5] for the array mentioned before.
Technical: 1. https://www.facebook.com/hackercup/problem/403525256396727/ 2. http://www.geeksforgeeks.org/count-ways-reach-nth-stair/ 3. In english alphabet "a-z and A-Z" letters. As we know all numbers can be represented by a fibonacci number. 1 2 3 5 8 13 21 34 55 89 Suppose 6 = 5 + 1, can be encoded as 1001 16 = 13 + 3 = 100100 4 = 3 + 1 = 101 Similarly, all the letters "a-z and A-Z" should be converted to ASCII number then convert them to Fibonacci encoded number Then read decode them back to origonal character. H E L L O ASCII values of all the letters from (HELLO) Then covert them to corresponding binary values e.g H = 72 = 55 + 13 + 3 + 1 = 100100101 And add "1" (number 1) to end of all charcter to find out the number ends there. So H = 100100101 + 1 = 1001001011 (Not mathematical add, string add or append) 4. What you like to do in leisure time? 5. What you have done something interesting beyond your scope? 6. How do you manage a day in your place when you are heavily loaded? 7. Why are you looking for a change? ....
Find Kth minimum node in a binary tree and suggest a complexity
Give a 2D rectangular array represented as a 1D arrary in row-major form, rotate the array by 90 degrees
Write a program to reverse words in a string
Write a query to get the required data regarding employees.
Very simply question of inserting latest 5000 records in container along with timestamp and retrieve them as needed and discard which are older then 5000.
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