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Java Entwickler Interview Questions
30,841 java entwickler interview questions shared by candidates
basic aptitude based on time and work, average, number system, missing pattrens.
Puzzle - A man has to take a wolf, a goat, and some cabbage across a river. His rowboat has enough room for the man plus either the wolf or the goat or the cabbage. If he takes the cabbage with him, the wolf will eat the goat. If he takes the wolf, the goat will eat the cabbage. Only when the man is present are the goat and the cabbage safe from their enemies. All the same, the man carries wolf, goat, and cabbage across the river. How?
What do you use to join the results of one data-set to another data-set?
What is hashing, Big O notation, and what is the Big O notation of a hash structure vs. a tree structure.
Make a homework
What is JVM, JRE,JDK ? Difference between compiler and Interpreter ? What is synchronization ? Write down a recursive function for printing sum of digit of number ? What is Final, Finally, Finalize ?
Explain System.out.println
Write a program to bring output like a,b,ab,ba
Interviewer asked my to explain what is HTTP, and also JWT
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