How does a garbage collection system work? How will you prevent an object from being garbage collected? Write N-ary tree traversal code to search a node given a String key. How many JVM instances does a tomcat server have? How would it handle multiple applications with different versions of same api (for instance log4j)? Explain wait and notify. Explain Generics. What is the difference between a static class and a singleton class? Why do you want to work for Netflix?
How would you test the latest iPhone's new antenna system?
Given a hash table of objects, iterating takes a constant amount of time, except when it takes much longer? When would that happen?
write a recursive function that solves the equation X[n] = X[n-1] + X[n-2] where X is an array that contains at least two integer values and the function should solve the question for the 3rd value in the array
You're working on a video editor and need to show events (identified by start and end timestamps) in swimlane tracks. A single track cannot contain events that overlap. Implement an algorithm that receives an array of events and outputs list of tracks (arrays) containing the list of events that should be shown on that track.
Given a log file parse it calculate median, mod, mean, and other string values. The challenge was to parse the lines.
What is the biggest mistake you have ever made at work
Given a 4X4X4 cube made of 1X1X1 cubes. How many cubes make the surface of this cube
can there be a thread without a process
Find Duplicates from Array
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