How do you check whether String contains any duplicate characters?
Desarrollador Java J2ee Senior Interview Questions
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How many years of systems level programming experience do you have?
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Write an API for a phonebook service where the answer time (search name by the phone number) does not depend on the size of the phonebook.
Given a string of words and a maxWidth, write a method that inserts new lines where appropriate to perform a word-wrap. (Wrap on word boundaries, assume " " is fine). Now, how does your implementation handle string with multiple spaces between words ... Are those extra spaces lost or preserved?
very basic RPN calculator question
Difference between process/thread, heap/stack. What is JIT?
1st phase 1st technical interview: Problem was that given a positive integer n print all distinct ordered sets of positive integer which have sum equal n. eg:- for n=2 output: { [1, 1] } for n=3 output: { [1, 1, 1], [1, 2], [2, 1] } for n=4 output: { [1, 1, 1, 1], [1, 1, 2], [1, 2, 1], [2, 1, 1], [2, 2], [1, 3], [3, 1] }
Compare two strings, return if one can be comprised of the other by swapping 2 characters, adding a char, removing a char, or if they are identical, or cannot determine.
Write a program to detect if a String is a palidrome
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