A position as a senior Java developer at a top tech firm requires at least 5 to 8 years of experience. Recruiters will expect you to be well-versed in Java concepts. When it comes to interviews, the Java interview questions for software developers with 5 years’ experience are more sophisticated and project management focused than those for entry-level candidates.
As a Java developer with 5+ years of experience, you should be well-versed in all of Java programming's fundamentals and trickiest concepts. In this article, we'll look at the Core Java topics as well as other important Java topics that you should study to ace the Java interview questions for candidates with 5+ years of experience.
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To help you ace your Java interview, this article will provide you with the most frequently asked Java interview questions for 5 years of experience in FAANG interviews.
We will cover:
To prepare for an advanced Java interview, you need to cover a wide range of topics. Some of them are:
Here are some Java concepts explained in detail to help you prepare for your interview:
We have curated the top Java interview questions for professionals holding 5 years’ experience and categorized them according to work experience and important topics such as OOP and thread handling.
Here are some of the most commonly asked Java Interview Questions and Answers for 5 years of Experience.
Answer: Most developers have stuck to the 2014 release, Java 8. It is free for commercial use and has many significant features such as functional interfaces and static methods. It has made programming more simplified and efficient with functional interfaces to object-oriented interfaces.
Answer: A Java Class is a category for Java objects presenting similar properties or methods. It is commonly used as a blueprint for design in object-oriented languages. The most common classes of Java used in app development are static, final, concrete, inner, abstract, and POJO.
Answer: The most significant concepts to understand in wrapper classes are the eight primitive types of wrapper classes and where they are best used. It is important to note that it is final and immutable once a wrapper class is assigned.
Answer: The four access modifiers in Java are default, public, private, and protected. They are used in determining access levels to keywords or information stored in a class.
Answer: A JVM, or a Java Virtual Machine, runs Java on a device. A JDK, or Java Development Kit, is a software development package used to create tools that can be run on phones and tablets.
Answer: Platform independence implies that your program can run on any operating system. This adaptability trait makes Java a superior programming language.
Answer: An immutable string is thread-safe. If one does not make a string immutable, then a change in one reference will inevitably affect the values of other references.
Answer: There are some basic differences between an abstract class and an interface. The first is method implementation. While an abstract class can have method implementation but an interface can not. An abstract class can implement an interface.
Answer: Java has several conditional operators. A ternary operator is a conditional operator responsible for deciding which values will be assigned to a variable.
Answer: Sure! Serialization and deserialization are data handling concepts related to stream handling in Java. Serializing an object means converting it to a byte stream to save or relocate it to another device. Deserializing is the process of undoing the serialization process.
Here are some more Java Interview Questions to nail tech interviews.
These are some frequently asked Java interview questions to 3 to 5 years of experienced developers:
class A
{
synchronized void m1()
{
System.out.println("In m1 A");
}
void m2()
{
System.out.println("In m2 A");
}
}
Here are some Java OOPs interview questions for developers who have 5 years’ experience:
public class Demo{
public static void main(String[] arr){
System.out.println(“Main1”);
}
public static void main(String arr){
System.out.println(“Main2”);
}
}
Want to practice more? Here is a compilation of the most important Java OOP questions with answers asked in tech interviews.
When preparing for your Java Advanced interview, you should also practice some Java Thread interview questions and answers for 5 years of experienced professionals. Here are some sample Java Thread interview questions:
Recommended Reading: 170 UI Developer Interview Questions for Experienced Candidates
Leave no stone unturned for your Java interview preparation. Study every aspect of a Java interview for developers with 5 years of experience. Be thorough about programming data structures and algorithms, systems design, and specific domain know-how about JavaScript, along with in-depth preparation for behavioral and leadership interview rounds. Experts recommend practicing mock interviews and Java interview questions before you face the actual interview to boost your confidence and prepare you for all kinds of interview situations.
At Interview Kickstart, you can practice mock interviews with experts and hiring managers from FAANG companies. Their valuable feedback has gone a long way in helping Java professionals such as yourself crack tech interviews at the top FAANG companies.
Q1. What is the salary of a Java Developer with 5 years of experience?
The average salary of a Java Developer with 5 years of work experience is approximately $100,682 per year.
Q2. What is the future of experienced Java Developer jobs?
Based on surveys conducted by Stackoverflow and Dice, experienced Java developers are still in popular demand and have a higher pay compared to other programming languages. Even though new programming languages are continuously coming up, Java has continually evolved to catch up with them. Besides, many tech giants rely on Java to run their systems and continue to do so for many years since completely refactoring them all at once is not feasible.
Q3. Which companies use Java?
A. Some of the major companies that use Java to run their systems are Google, Netflix, Instagram, Uber, Spotify, Airbnb, Pinterest, Netflix, Amazon, Slack, and many more.
Q4. What are the top skills an experienced Java Developer should have?
A. Besides basic Java skills, the top advanced skills an experienced Java Developer should work on are — AI and machine learning, Python, Blockchain, Amazon Web Services, Mobile technologies such as Android and OS, Hadoop/Big Data, Advanced JavaScript framework such as Angular, React, and VueJS, and Spring Boot/microservices.
Q5. What are the top Java interview questions for 5 years of experienced developers?
For Java professionals with 5 years’ experience, the most commonly asked interview questions are: What are the top features of Java 8? What is a Java Class? What is polymorphism in Java? How is an interface different from an abstract class? What is exception handling? What is Garbage Collection in OOPs?
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