mostly asked about collections and advanced java .
Java Software Developer Interview Questions
4,199 java software developer interview questions shared by candidates
The logic for string is given and you need to fond the palindrome word and print that ?
Typical OOP questions
OOPs concepts, multithreading, spring and hibernate
Multithreading, Exception Handling, Spring boot annotations.
How does the Hasmap work
Codility: 1. Nails and hammer problem: review code and make max 4 fixes. Hammer down at most K nails (maximize the n of nails that end up having the same length) 2. Remove adjacent pairs (a/b and c/d): CBACD -> CBA -> C 3. Binary reduction to zero: if v is odd, subtract 1, if even, divide it by 2 n of operations? 011100 (28) -> 11100 (28) -> 14 -> 7 -> 6 -> 3 -> 2 -> 1 -> 0 (7ops) Technical Interview Questions: 1. Refactoring a Java code snippet: encapsulation, structure, alternative designs. 2. Discussing API usage: which requests to use, sending data in GET requests. 3. Scalability considerations: handling multiple requests, caching, load balancing. 4. Handling nested conditionals and improving code readability. 5. Explaining your approach, thought process, and code decisions throughout the exercises. Behavioral / Situational Questions: 1.Describe a time a colleague raised a concern about your work and how you addressed it. 2.Explain a situation where you introduced a bug and how you identified and resolved it. 3. Share an example of a challenging situation and how you managed it.
Core Java Concepts, Object-Oriented Programming
Some project related questiond and coding question Find occurrence in lower char string
What is difference bt restcontroller vs controller?
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