Java Interview Guide : 200+ Interview Questions and Answers (Udemy.com)
Get Ready for your Java Interview with 200+ Java Interview Questions for Beginners
Created by: in28Minutes Official
Produced in 2021
What you will learn
- You will understand what kind of questions are asked in Beginner Java Interviews
- You will be able to Answer questions on Java Platform, Wrapper Classes and Strings
- You will be able to quickly revise all Your Java Concepts with Awesome Examples
- You will Understand New Features in Java 5, Java 6, Java 7 and Java 8
- You will Understand Basic and Advanced Object Oriented Concepts
- You will be able to Answer Questions on Collections, Generics and MultiThreading
- You will Understand Exception Handling Best Practices
- You will Understand basics of Functional Programming - Lambda Expressions and Streams
Quality Score
Content Quality
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Video Quality
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Qualified Instructor
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Course Pace
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Course Depth & Coverage
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Overall Score : 86 / 100
Course Description
How about Quickly Revising all the Important Java Concepts in about 6 Hours before an interview?
Preparing for Java Interview is tricky. You would need to get a good understanding of new features and revise concepts you used in your preparation. This course helps you Prepare for Java Interview with hands-on code examples covering 200+ Java Interview Questions and Answers on varied range of topics listed below.
******* Some Amazing Reviews From Our Learners *******
This course is perfect for those people that have been for some time without using some features of Java and need to refresh those knowledge
The best Java interview guide on Udemy
Awesome, this is how the videos should be. First, I was thinking couple of time to purchase this, but fortunately I am happy that, I have purchased this. I am enjoying each and every part of the session
Great course to freshen up your knowledge and prepare for interviews
The best java interview guide you can get across the internet.
******* What You Can Expect from Every in28Minutes Course *******
in28Minutes created 20 Best Selling Courses providing Amazing Learning Experiences to 250,000 Learners across the world.
Each of these courses come with
Real Project Experiences using the Best Tools and Frameworks
Friendly Support in the Q&A section
Free Udemy Certificate of Completion on Completion of Course
~~~ Here are a Few Reviews on The in28Minutes Way ~~~
Excellent, fabulous. The way he has prepared the material and the way he teaches is really awesome. What an effort .. Thanks a million
A lot of preparation work has taken place from the teacher and this is visible throughout the course.
This guy is fantastic. Really. Wonderful teaching skills, and goes well out of his way to make sure that everything he is doing is fully understood.
Amazing course. Explained super difficult concepts (that I have spent hours on the internet finding a good explanation) in under 5 minutes.
Start Learning Now. Hit the Enroll Button!
******* Questions Discussed in this Interview Course *******
Java Platform
Preparing for Java Interview is tricky. You would need to get a good understanding of new features and revise concepts you used in your preparation. This course helps you Prepare for Java Interview with hands-on code examples covering 200+ Java Interview Questions and Answers on varied range of topics listed below.
******* Some Amazing Reviews From Our Learners *******
This course is perfect for those people that have been for some time without using some features of Java and need to refresh those knowledge
The best Java interview guide on Udemy
Awesome, this is how the videos should be. First, I was thinking couple of time to purchase this, but fortunately I am happy that, I have purchased this. I am enjoying each and every part of the session
Great course to freshen up your knowledge and prepare for interviews
The best java interview guide you can get across the internet.
******* What You Can Expect from Every in28Minutes Course *******
in28Minutes created 20 Best Selling Courses providing Amazing Learning Experiences to 250,000 Learners across the world.
Each of these courses come with
Real Project Experiences using the Best Tools and Frameworks
Friendly Support in the Q&A section
Free Udemy Certificate of Completion on Completion of Course
~~~ Here are a Few Reviews on The in28Minutes Way ~~~
Excellent, fabulous. The way he has prepared the material and the way he teaches is really awesome. What an effort .. Thanks a million
A lot of preparation work has taken place from the teacher and this is visible throughout the course.
This guy is fantastic. Really. Wonderful teaching skills, and goes well out of his way to make sure that everything he is doing is fully understood.
Amazing course. Explained super difficult concepts (that I have spent hours on the internet finding a good explanation) in under 5 minutes.
Start Learning Now. Hit the Enroll Button!
******* Questions Discussed in this Interview Course *******
Java Platform
- 1 . Why is Java so popular?
- 2 . What is platform independence?
- 3 . What is bytecode?
- 4 . Compare JDK vs JVM vs JRE
- 5 . What are the important differences between C++ and Java?
- 6 . What is the role for a classloader in Java?
- 7 . What are Wrapper classes?
- 8 . Why do we need Wrapper classes in Java?
- 9 . What are the different ways of creating Wrapper class instances?
- 10 . What are differences in the two ways of creating Wrapper classes?
- 11 . What is auto boxing?
- 12 . What are the advantages of auto boxing?
- 13 . What is casting?
- 14 . What is implicit casting?
- 15 . What is explicit casting?
- 16 . Are all String's immutable?
- 17 . Where are String values stored in memory?
- 18 . Why should you be careful about String concatenation(+) operator in loops?
- 19 . How do you solve above problem?
- 20 . What are differences between String and StringBuffer?
- 21 . What are differences between StringBuilder and StringBuffer?
- 22 . Can you give examples of different utility methods in String class?
- 23 . What is a class?
- 24 . What is an object?
- 25 . What is state of an object?
- 26 . What is behavior of an object?
- 27 . What is the super class of every class in Java?
- 28 . Explain about toString method ?
- 29 . What is the use of equals method in Java?
- 30 . What are the important things to consider when implementing equals method?
- 31 . What is the Hashcode method used for in Java?
- 32 . Explain inheritance with examples .
- 33 . What is method overloading?
- 34 . What is method overriding?
- 35 . Can super class reference variable can hold an object of sub class?
- 36 . Is multiple inheritance allowed in Java?
- 37 . What is an interface?
- 38 . How do you define an interface?
- 39 . How do you implement an interface?
- 40 . Can you explain a few tricky things about interfaces?
- 41 . Can you extend an interface?
- 42 . Can a class extend multiple interfaces?
- 43 . What is an abstract class?
- 44 . When do you use an abstract class?
- 45 . How do you define an abstract method?
- 46 . Compare abstract class vs interface?
- 47 . What is a constructor?
- 48 . What is a default constructor?
- 49 . Will this code compile?
- 50 . How do you call a super class constructor from a constructor?
- 51 . Will this code compile?
- 52 . What is the use of this()?
- 53 . Can a constructor be called directly from a method?
- 54 . Is a super class constructor called even when there is no explicit call from a sub class constructor?
- 55 . What is polymorphism?
- 56 . What is the use of instanceof operator in Java?
- 57 . What is coupling?
- 58 . What is cohesion?
- 59 . What is encapsulation?
- 60 . What is an inner class?
- 61 . What is a static inner class?
- 62 . Can you create an inner class inside a method?
- 63 . What is an anonymous class?
- 64 . What is default class modifier?
- 65 . What is private access modifier?
- 66 . What is default or package access modifier?
- 67 . What is protected access modifier?
- 68 . What is public access modifier?
- 69 . What access types of variables can be accessed from a class in same package?
- 70 . What access types of variables can be accessed from a class in different package?
- 71 . What access types of variables can be accessed from a sub class in same package?
- 72 . What access types of variables can be accessed from a sub class in different package?
- 73 . What is the use of a final modifier on a class?
- 74 . What is the use of a final modifier on a method?
- 75 . What is a final variable?
- 76 . What is a final argument?
- 77 . What happens when a variable is marked as volatile?
- 78 . What is a static variable?
- 79 . Why should you always use blocks around if statement?
- 80 . Guess the output
- 81 . Guess the output
- 82 . Guess the output of this
Instructor Details
- 4.3 Rating
339 Reviews
in28Minutes Official
We are teaching 300K Learners a wide range of topics with Java and Spring Boot - APIs, Microservices, Cloud (AWS, Azure, Docker, Kubernetes, Azure) and Full Stack(React & Angular).
We use Problem-Solution based Step-By-Step Hands-on Approach With Practical, Real-World Application Examples.
We have 25+ Courses providing amazing learning experiences in Java Programming, Java Frameworks (Spring, Spring Boot, Spring MVC, Struts, Hibernate), Cloud (AWS, PCF, GCP and Azure) and Full Stack ( React, Angular ). We also have courses teaching the amazing world of Python Programming and Automation Testing with Selenium Web Driver.
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Reviews
- Video Duration:
6h - Price: 11.99 Track Price 11.99 Track Price
- Provider: Udemy
- Year:
2021 - Level:
Beginner - Language:
English, English [Auto-generated] - Certificate:
Yes
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