Lots of questions about concurrent and multithreaded programming, rece conditions, deadlock and optimization of relational databases.
Senior Java Engineer Interview Questions
607 senior java engineer interview questions shared by candidates
Collection framework basic questions
How would you write a simple load balancer?
Question: Count the email domains List employees = new ArrayList<>(); employees.add(new Employee("A", "A@google.com")); employees.add(new Employee("b", "b@gmail.com")); employees.add(new Employee("C", "C@google.com")); employees.add(new Employee("D", "D@yahoo.com"));
Write a weighted random function.
From basic concepts/best practices to architectural patterns, databases, message brokers, clouds, based on my professional experience,
1. TCP vs other protocols 2. Garbage Collection algorithms 3. Dependency Injection vs Inversion of Control 4. Java 8 vs Java 21/25 5. Heap and CPU cache 6. volatile keyword
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