Top Java Questions in 17 Minutes | Technical Interview | Java Junior | Java Middle

Published: 11 July 2024
on channel: Максим Добрынин | ex. Jetbulb

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All technical professionals have to interview for a new job. Many believe that the questions change from year to year, and this is true, but only partially. The bulk of the fundamental questions have remained the same for many years.

What questions are most often asked in technical interviews? And most importantly, how to answer them correctly and not get bogged down?

In this video, Max Dobrynin, a developer with over 8 years of experience, reveals the top questions most often asked in technical interviews for Java Junior and Intermediate positions.

We'll examine several tough questions, discuss various answer options, and discuss what to avoid and what to pay extra attention to when preparing for a technical interview for a Java developer position.

Let's go!

Agenda
00:00 Primitive Data Types and Wrapper Classes
01:50 ArrayList vs. LinkedList Key Differences between ArrayList and LinkedList
04:10 Methods and Rules for Object Comparison
05:58 Contract between equals and hashcode
11:20 What is a HashMap Bucket? Storing Values in a HashMap
13:28 What is a String Pool? How are Strings Stored in Java Memory (JVM)
15:50 Implementing the Builder Design Pattern in Java
16:40 Conclusions

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