Java question Constructor, Oops,Exception, collection framework 2nd round coding check binary number array question to the required output and last one string question which is difficult
Entry Level Java Software Engineer Interview Questions
296 entry level java software engineer interview questions shared by candidates
HOw to build a binary search algorithm.
Most of the technical questions have already been stated by other interviewers. Some of the ones included 1. Create a binary search algorithm --basically search for a given number in a long list of sorted numbers. (binary because its faster than a linear search) 2. Pillars of Object Oriented Programming 3. Multi threading 4. Generics 5. Overload vs override 6. SQL joins 7. javascript types 8. abstract class 9. interfaces 10. Final keyword 11. Immutable objects
Logic puzzles for the first portion. The technical portion asks for a strong understanding of Object-Oriented(OOP) concepts. Some questions regarding the pillars of OOP with examples. Then there are easy programming questions that involve topics like Binary Search, Arrays, etc. The questions are fairly easy.
Difference between ArrayList and vector? Does ArrayList maintains order? Where should we use ArrayList mostly?
Differences between ArrayList, HashSet, TreeSet?
One must have a good knowledge of java and oops and be well versed with their resumes basically their projects and work experience and should answer every question confidently.
What does .equals do/mean What is garbage collection How do you concatenate strings
What is volatile keyword in java?
1. Java 8 features 2. Spring boot annotations 3. Layers in Spring boot 4. Interface and Abstraction 5. ArrayList vs LinkedList
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