Mostly they are asking programs
Junior Java Developer Software Engineer Interview Questions
3,910 junior java developer software engineer interview questions shared by candidates
1) Main java questions and some coding question asked in technical round. 2) Managerial round there are also spring boot and some tools related questions are there.
Why I wanted to work with Picnic.
Q1. Oops feature Q2. Collection Q3. Annotations
Oops concepts with real time usage
Tell me about your experience in java with building low latency applications?
1.array question 2.string questions without inbuilt method.
1.reverse array without extra space 2.hastable vs hashset
Core Java questions - array list , hashmap, string
Core Java & OOPs: Explain OOPs concepts with real-world examples. Difference between String, StringBuilder, and StringBuffer. How Garbage Collection works in Java. Why String is immutable in Java. HashMap vs LinkedHashMap vs TreeMap. HashMap vs ConcurrentHashMap & internal working. Spring Boot & Hibernate: Spring Boot Auto-Configuration explained. Difference between @Component, @Service, and @Repository. Pagination & Sorting in Spring Data JPA. EAGER vs LAZY fetching in Hibernate. Global Exception Handling in Spring Boot. Database & SQL: SQL query to fetch the second-highest salary. How to find duplicate records in a table. INNER JOIN vs LEFT JOIN. DevOps & Others: Docker usage in deployments. REST vs SOAP APIs. Strategies to improve application performance in Java. 💡 Additionally, there was a project-related discussion around my academic work.
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