Write function to calculate sum of first N powers of 2 starting from 1. You shouldn't use any built-in function for calculating power. Implement the most efficient solution.
Ingeniero De Software Desarrollador Java Junior Interview Questions
666,355 ingeniero de software desarrollador java junior interview questions shared by candidates
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)
Varied behavioral questions. Technical focused on oops concepts(explain 4 pillars of OOP with examples). Was asked to write code to print the largest number in an unsorted integer array of infinite size. Although the position was for C#, they were cool about me coding in java.
if p1 and p2 are two consecutive prime number, in which cases (p1 + p2) / 2 is a prime number.
Define Yourself
Implement the MyStack. (A lot of questions about multi-threading) @protocol Stack -(void)pushObject:(nonnull id)obj; -(nonnull id)popObjext; @property(nonatomic,assign)NSInteger count; @end @interface MyStack : NSObject <Stack> @end @implementation MyStack @end
What are the most challenging tasks you faced in your previous projects and how did you handle them
There are 4 people who want to cross a bridge. They each take 1, 2, 5 and 8 minutes. Only 2 people can cross at a time and they take as long as the slowest person. What is the fastest time you can get everyone across? Then I was asked to write the mathematical equation to determine the trade-off point between each of the 2 approaches to solving this.
Find the nth element in a linked list in constant time and space.
Given a text file containing the text for Hamlet (/usr/share/file.txt), return the top 5 most frequent words with count.
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