Java Programming Interviews Exposed

If you are a skilled Java programmer but are concerned about the Java coding interview process, this real-world guide can help you land your next position
 
Java is a popular and powerful language that is a virtual requirement for businesses making use of IT in their daily operations. For Java programmers, this reality offers job security and a wealth of employment opportunities. But that perfect Java coding job won't be available if you can't ace the interview. If you are a Java programmer concerned about interviewing, Java Programming Interviews Exposed is a great resource to prepare for your next opportunity. Author Noel Markham is both an experienced Java developer and interviewer, and has loaded his book with real examples from interviews he has conducted.
* Review over 150 real-world Java interview questions you are likely to encounter
* Prepare for personality-based interviews as well as highly technical interviews
* Explore related topics, such as middleware frameworks and server technologies
* Make use of chapters individually for topic-specific help
* Use the appendix for tips on Scala and Groovy, two other languages that run on JVMs
 
Veterans of the IT employment space know that interviewing for a Java programming position isn't as simple as sitting down and answering questions. The technical coding portion of the interview can be akin to a difficult puzzle or an interrogation. With Java Programming Interviews Exposed, skilled Java coders can prepare themselves for this daunting process and better arm themselves with the knowledge and interviewing skills necessary to succeed.

List of contents

Introduction xi
 
Part I: Navigating the Interview Process
 
Chapter 1: Dissecting Interview Types 3
 
Looking at the Phone Screening Process 4
 
Reviewing Technical Tests 5
 
Handling Face-to-Face Interviews 7
 
Making the Decision 8
 
Summary 9
 
Chapter 2: Writing a Noticeable Resume 11
 
How to Write a Resume and Cover Letter 11
 
Writing a Cover Letter 14
 
Summary 15
 
Chapter 3: Technical Test and Interview Basics 17
 
Technical Written Tests 17
 
At-Computer Tests 18
 
Face-to-Face Technical Interviews 19
 
Summary 21
 
Chapter 4: Writing Core Algorithms 23
 
Looking at Big O Notation 23
 
Sorting Lists 24
 
Searching Lists 32
 
Summary 33
 
Chapter 5: Data Structures 35
 
Lists 35
 
The Relationship between Arrays and Lists 36
 
Trees 39
 
Maps 45
 
Sets 48
 
Summary 49
 
Chapter 6: Design Patterns 51
 
Investigating Example Patterns 51
 
Commonly Used Patterns 60
 
Summary 64
 
Chapter 7: Implementing Popular Interview Algorithms 65
 
Implementing FizzBuzz 65
 
Demonstrating the Fibonacci Sequence 67
 
Demonstrating Factorials 71
 
Implementing Library Functionality 72
 
Using Generics 80
 
Summary 83
 
Chapter 8: Java Basics 87
 
The Primitive Types 88
 
Using Objects 91
 
Java's Arrays 98
 
Working with Strings 98
 
Understanding Generics 101
 
Autoboxing and Unboxing 107
 
Using Annotations 109
 
Naming Conventions 111
 
Classes 111
 
Variables and Methods 111
 
Constants 111
 
Handling Exceptions 112
 
Using the Standard Java Library 115
 
Looking Forward to Java 8 119
 
Summary 120
 
Chapter 9: Testing with JUnit 123
 
The JUnit Test Life Cycle 125
 
Best Practices for Using JUnit 127
 
Eliminating Dependencies with Mocks 138
 
Creating System Tests with Behavior-Driven Development 143
 
Summary 146
 
Chapter 10: Understanding the Java Vi rtual Machine 147
 
Garbage Collection 147
 
Memory Tuning 149
 
Interoperability between the JVM and the Java Language 152
 
Summary 157
 
Chapter 11: Concurrency 159
 
Using Threads 159
 
Working with Concurrency 165
 
Actors 169
 
Summary 174
 
Part III: Components and Frameworks
 
Chapter 12: Integrating Java Applications with Databases 177
 
SQL: An Introduction 177
 
JDBC: Combining Java and the Database 191
 
Testing with In-Memory Databases 198
 
Summary 199
 
Chapter 13: Creating Web Applications 201
 
Tomcat and the Servlet API 201
 
Jetty 207
 
Play Framework 213
 
Summary 218
 
Chapter 14: Using HTT P and REST 221
 
The HTTP Methods 221
 
HTTP Clients 224
 
Creating HTTP Services Using REST 226
 
Summary 230
 
Chapter 15: Serialization 231
 
Reading and Writing Java Objects 231
 
Using XML 234
 
JSON 240
 
Summary 243
 
Chapter 16: The Spring Framework 245
 
Core Spring and the Application Context 245
 
Spring JDBC 255
 
Integration Testing 259
 
Spring MVC 262
 
Summary 269
 
Chapter 17: Using Hibernate 271
 
Using Hibernate
 
Summary 284
 
Chapter 18: Useful Libra

About the author

Noel Markham is an experienced interviewer and Java developer with experience across technology, financial, and gaming industries. Most recently he has been working in startups for social gaming and digital entertainment. He has hosted interviews for developers of all experience levels, from recent graduates to technical leaders.

Summary

If you are a skilled Java programmer but are concerned about the Java coding interview process, this real-world guide can help you land your next position Java is a popular and powerful language that is a virtual requirement for businesses making use of IT in their daily operations.

Product details

• Authors: N Markham, Noel Markham, Markham Noel
• Publisher: Wiley, John and Sons Ltd
• Languages: English
• Product format: Paperback / Softback
• Released: 17.03.2014
• EAN: 9781118722862
• ISBN: 978-1-118-72286-2
• No. of pages: 384
• Dimensions: 190 mm x 240 mm x 20 mm
• Subjects: Natural sciences, medicine, IT, technology > IT, data processing > IT; Informatik, computer science, Java (Programmiersprache), Programmierung u. Software-Entwicklung, Programming & Software Development