Q. Write code to list duplicates elements from an array Q. Find 3rd max salary of employee table Q. Find salary of employees not equal to 20000 Q.what is OOPS concept. Q. What is polymorphism and why we need same name method. Q. What is abstract class and interface Q. Why we need interface in java. Q. What is hashmap .give implementation of hashmap. How it is different from hashtable. Q. Which collections is best when we want thread safe. Q. What is set and hashmap. Q. What is static? Define each static method,static variable and static class. Q. What is immutable.
Software Engineer Java Interview Questions
4,193 software engineer java interview questions shared by candidates
Explain all pillars of oops.
What is the difference between abstraction and encapsulation?
mutable and immutable ci/cd work flow
What are the different bean scopes in Spring?
Difference between StringBuffer and StringBuilder?
1. about yourself 2. about your project 3. OOPS 4. Basics of C++ & JAVA 5. SQL Queries
Singleton Class Program Immutable Class Program Custom Exception Class Program Generics in Java Autoboxing and Unboxing in Java
What is indexing?
Is data saved sorted in a hashmap?
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