1. How does Hashmap works internally. 1.2. Hasmap vs Hashtable vs SynchronizedHashmap 2. How to reverse array 3. What is synchronized keyword? and lot many questions followed it up. 4. Exceptions (Specially hierarchy related) 5. Spring Basics 6. Spring annotations 7. Hibernate Basics And Yes In MR round the interviewer may like to test your basic logic. He asked me to solve a puzzle like: How to get 2L water from using a 5L and 3L Bucket. and similarly 4L water.
1. talk about JUC. 2. why springboot can configurate automatically .
Tell me about Spring boot beans
Tell me about how Spring boot beans creaed internally (detailed)
Tell me how HashMap and LinkedHashMap works internally.
Tell me about Spring boot
What is a EntityManager really?
What are generics and why are generic invariants? Given List list = new List, will this code work? list.add(new Cat()); list.add(new Dog());
String related question like reverse a string count the length
Introduction,jvm,dyanamic polymorphism,string immutable,sting and string pool,linkedhashmap and hashmap,some scenarion based questions,trywithresources,methods in objects,predefined functional interfcae,default and static interface
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