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.

Table 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 Libraries 287 Removing Boilerplate Code with Apache Commons 287 Developing with Guava Collections 290 Using Joda Time 296 Summary 300 Chapter 19: Developing with Build Tools 301 Building Applications with Maven 301 Ant 309 Summary 311 Chapter 20: Android 313 Basics 314 Components 314 Intents 315 Activities 318 Broadcast Receivers 321 Services 322 User Interface 326 Persistence 333 Android Hardware 336 Summary 340 Appendix: Introducing Scala 341 Index 353

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.