Why do you want to work at this company?
Java Software Developer Interview Questions
3,069 java software developer interview questions shared by candidates
How are you? Tell me something about yourself What are main concepts of oops Explain each one of them with example , mostly real life examples So what are 4 main pillars of oops? Explain types of inheritance with example Whats stack,queue and linked list? Explain with example What are different searching and sorting techniques? Explain quick sort and radix sort? which is most efficient? What are time complexities of these techniques? 2 Brain Teasers : Problem: You have eight seemingly identical steel balls and a two arm balance scale. One of the balls is slightly heavier than the others, but you can’t tell which one by just looking at all the balls. Using the scale, what is the least number of times you will need to do a weighing to find out which ball is the heavy one? and how? Problem : You are on the top of the hill which is surround by valleys. There is dry grass of your height and suddenly it catches fire. How will you save yourself? There is no option of water,helicopter,etc You have no resources with you. You have your hands to protect yourself.
What all databases you are aware of.
Asked weather worked on continues integration.
in 1st round they ask 2 coding questions.
Spring boot related question and configuration
Explain the OOPS concept in detail.
How does your goals allign with that of company's?
What is the difference between function components and class components in React?
Hashset vs hashtable vs hashmap
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