Java 17 Recipes: A Problem-Solution Approach, 4th Edition

Chapter 1: Getting Started with Java 17 1-1. Installing Java Problem Solution How It Works 1-2. Configuring the PATH Problem Solution How It Works 1-3. Testing Java Problem Solution How It Works The Main Program 1-4. Installing Eclipse Problem Solution How It Works 1-5. Getting to “Hello, World” Problem Solution How It Works Packages JavaBeans-style Classes The Main Program 1-6. Configuring the CLASSPATH Problem Solution How It Works 1-7. Organizing Code with Packages Problem Solution How It Works 1-8. Declaring Variables and Access Modifiers Problem Solution How It Works 1-9. Converting to and from a String Problem Solution How It Works 1-10. Passing Arguments via Command-Line Execution Problem Solution How It Works 1-11. Accepting Input from the Keyboard Problem Solution How It Works 1-12. Documenting Your Code Problem Solution How It Works Formatting the Documentation Executing the Tool 1-13. Reading Environment Variables Problem Solution How It Works 1-14. Summary Chapter 2: Enhancements from Java 9 Through Java 17 2-1. Introduction to the var Keyword Problem Solution How It Works 2-2. Reading the Contents of Files Problem Solution How It Works 2-3. Writing a Text Block Problem Solution How It Works 2-4. The Enhancement of NullPointerException Problem Solution How It Works 2-5. Pattern Matching for instanceof Problem Solution How It Works 2-6. Using Record Problem Solution How It Works 2-7. Restore Always-Strict Floating-Point Semantics Problem Solution How It Works 2-8. Pseudorandom Number Generators Problem Solution How It Works 2-9. Sealed Classes Problem Solution How It Works 2-10. The Vector API Problem Solution How It Works 2-11. Avoiding Redundancy in Interface Code Problem Solution How It Works 2-12. Easily Retrieving Information on OS Processes Problem Solution How It Works 2-13. Handling try-with-resources Construct Problem Solution How It Works 2-14. Filtering Data Before and After a Condition with Streams Problem Solution How It Works 2-15. Utilizing Factory Methods to Create Immutable Collections Problem Solution How It Works 2-16. Pattern Matching for switch (Preview) Problem Solution How It Works 2-17. Summary Chapter 3: Strings 3-1. Compact Strings 3-2. Obtaining a Subsection of a String Problem Solution How It Works 3-3. Comparing Strings Problem Solution How It Works 3-4. Trimming Whitespace Problem Solution How It Works 3-5. Discovering Blank Strings Problem Solution How It Works 3-6. Stripping Whitespace Problem Solution How It Works 3-7. Breaking String Lines Problem Solution How It Works 3-8. Repeating Strings Problem Solution How It Works 3-9. Changing the Case of a String Problem Solution How It Works 3-10. Concatenating Strings Problem Solution 1 Solution 2 Solution 3 How It Works 3-11. Converting Strings to Numeric Values Problem Solution 1 Solution 2 How It Works 3-12. Iterating Over the Characters of a String Problem Solution How It Works 3-13. Finding Text Matches Problem Solution 1 Solution 2 How It Works 3-14. Replacing All Text Matches Problem Solution How It Works 3-15. Determining Whether a File Suffix Matches a Given String Problem Solution How It Works 3-16. Making a String That Can Contain Dynamic Information Problem Solution 1 Solution 2 How It Works 3-17. Summary Chapter 4: Numbers and Dates 4-1. Rounding Float and Double Values to Integers Problem Solution How It Works 4-2. Formatting Double and Long Decimal Values Problem Solution How It Works 4-3. Formatting Compact Number Problem Solution How It Works 4-4. Comparing int Values Problem Solution 1 Solution 2 How It Works 4-5. Comparing Floating-Point Numbers Problem Solution 1 Solution 2 How It Works 4-6. Randomly Generating Values Problem Solution 1 Solution 2 How It Works 4-7. Obtaining the Current Date Without Time Problem Solution How It Works 4-8. Obtaining a Date Object Given Date Criteria Problem Solution How It Works 4-9. Obtaining a Year-Month-Day Date Combination Problem Solution 1 Solution 2 How It Works 4-10. Obtaining and Calculating Times Based on the Current Time Problem Solution How It Works 4-11. Obtaining and Using the Date and Time Together Problem Solution 1 Solution 2 Solution 3 How It Works 4-12. Obtaining a Machine Timestamp Problem Solution How It Works 4-13. Converting Dates and Times Based on he Time Zone Problem Solution How It Works 4-14. Comparing Two Dates Problem Solution How It Works 4-15. Finding the Interval Between Dates and Times Problem Solution 1 Solution 2 How It Works 4-16. Obtaining Date-Time from a Specified String Problem Solution How It Works 4-17. Formatting Dates for Display Problem Solution 1 Solution 2 How It Works 4-18. Writing Readable Numeric Literals Problem Solution How It Works 4-19. Declaring Binary Literals Problem Solution How It Works 4-20. Period of Day Problem Solution How It Works 4-21. Summary Chapter 5: Object-Oriented Java 5-1. Controlling Access to Members of a Class Problem Solution How It Works 5-2. Making Private Fields Accessible to Other Classes Problem Solution How It Works 5-3. Creating a Class with a Single Instance Problem Solution 1 Solution 2 How It Works 5-4. Generating Instances of a Class Problem Solution How It Works 5-5. Creating Reusable Objects Problem Solution How It Works 5-6. Defining an Interface for a Class Problem Solution How It Works 5-7. Modifying Interfaces Without Breaking Existing Code Problem Solution How It Works 5-8. Constructing Instances of the Same Class with Different Values Problem Solution How It Works 5-9. Interacting with a Class via Interfaces Problem Solution How It Works 5-10. Making a Class Cloneable Problem Solution How It Works 5-11. Comparing Objects Problem Solution 1 Solution 2 How It Works 5-12. Extending the Functionality of a Class Problem Solution How It Works 5-13. Defining a Template for Classes to Extend Problem Solution How It Works 5-14. Increasing Class Encapsulation Problem Solution How It Works 5-15. Summary Chapter 6: Lambda Expressions 6-1. Writing a Simple Lambda Expression Problem Solution How It Works 6-2. Enabling the Use of Lambda Expressions Problem Solution 1 Solution 2 How It Works 6-3. Invoking Existing Methods by Name Problem Solution How It Works 6-4. Sorting with Fewer Lines of Code Problem Solution 1 Solution 2 How It Works 6-5. Filtering a Collection of Data Problem Solution How It Works 6-6. Implementing Runnable Problem Solution How It Works 6-7. Accessing Class Variables from a Lambda Expression Problem Solution How It Works 6-8. Passing Lambda Expressions to Methods Problem Solution How It Works 6-9. Local Variable Problem Solution How It Works 6-10. Switch Expressions Problem Solution How It Works 6-11. Summary Chapter 7: Data Sources and Collections 7-1. Defining a Fixed Set of Related Constants Problem Solution How It Works 7-2. Designing Intelligent Constants Problem Solution How It Works 7-3. Executing Code Based on a Specified Value Problem Solution How It Works 7-4. Working with Fix-Sized Arrays Problem Solution How It Works 7-5. Safely Enabling Types or Methods to Operate on Objects of Various Types Problem Solution How It Works 7-6. Working with Dynamic Arrays Problem Solution How It Works 7-7. Making Your Objects Iterable Problem Solution How It Works 7-8. Iterating Collections Problem Solution How It Works 7-9. Iterating Over a Map Problem Solution How It Works 7-10. Executing Streams in Parallel Problem Solution How It Works 7-11. Summary Chapter 8: Input and Output 8-1. Serializing Java Objects Problem Solution How It Works 8-2. Serializing Java Objects More Efficiently Problem Solution How It Works 8-3. Serializing Java Objects as XML Problem Solution How It Works 8-4. Creating a Socket Connection and Sending Serializable Objects Across the Wire Problem Solution How It Works 8-5. Obtaining the Java Execution Path Problem Solution How It Works 8-6. Copying a File Problem Solution How It Works 8-7. Moving a File Problem Solution How It Works 8-8. Iterating Over Files in a Directory Problem Solution How It Works 8-9. Querying (and Setting) File Metadata Problem Solution How It Works 8-10. Monitoring a Directory for Content Changes Problem Solution How It Works 8-11. Reading Property Files Problem Solution How It Works 8-12. Uncompressing Files Problem Solution How It Works 8-13. Summary Chapter 9: Exceptions and Logging 9-1. Catching Exceptions Problem Solution How It Works 9-2. Guaranteeing a Block of Code Is Executed Problem Solution How It Works 9-3. Throwing Exceptions Problem Solution How It Works 9-4. Catching Multiple Exceptions Problem Solution 1 Solution 2 How It Works 9-5. Catching the Uncaught Exceptions Problem Solution 1 Solution 2 How It Works 9-6. Managing Resources with try/catch Blocks Problem Solution How It Works 9-7. Creating an Exception Class Problem Solution 1 Solution 2 How It Works 9-8. Logging Events Within Your Application Problem Solution How It Works 9-9. Rotating and Purging Logs Problem Solution How It Works 9-10. Logging Exceptions Problem Solution How It Works 9-11. Summary Chapter 10: Concurrency 10-1. Starting a Background Task Problem Solution How It Works 10-2. Updating (and Iterating) a Map Problem Solution How It Works 10-3. Inserting a Key into a Map Only If the Key Is Not Already Present Problem Solution How It Works 10-4. Iterating Through a Changing Collection Problem Solution 1 Solution 2 How It Works 10-5. Coordinating Different Collections Problem Solution 1 Solution 2 How It Works 10-6. Splitting Work into Separate Threads Problem Solution How It Works 10-7. Coordinating Threads Problem Solution 1 Solution 2 Solution 3 How It Works 10-8. Creating Thread-Safe Objects Problem Solution 1 Solution 2 How It Works 10-9. Implementing Thread-Safe Counters Problem Solution How It Works 10-10. Updating a Common Value Across Multiple Threads Problem Solution How It Works 10-11. Executing Multiple Tasks Asynchronously Problem Solution How It Works 10-12. Summary Chapter 11: Unicode, Internationalization, and Currency Codes 11-1. Converting Unicode Characters to Digits Problem Solution How It Works 11-2. Creating and Working with Locales Problem Solution How It Works 11-3. Matching and Filtering Locales Problem Solution How It Works 11-4. Searching Unicode with Regular Expressions Problem Solution 1 Solution 2 How It Works 11-5. Overriding the Default Currency Problem Solution How It Works 11-6. Converting Byte Arrays to and from Strings Problem Solution How It Works 11-7. Converting Character Streams and Buffers Problem Solution 1 Solution 2 How It Works 11-8. Summary Chapter 12: Working with Databases 12-1. Installing MySQL Problem Solution How It Works 12-2. Connecting to a Database Problem Solution How It Works 12-3. Handling Connection and SQL Exceptions Problem Solution How It Works 12-4. Querying a Database and Retrieving Results Problem Solution How It Works 12-5. Performing CRUD Operations Problem Solution How It Works 12-6. Simplifying Connection Management Problem Solution How It Works 12-7. Guarding Against SQL Injection Problem Solution How It Works 12-8. Performing Transactions Problem Solution How It Works 12-9. Creating a Scrollable ResultSet Problem Solution How It Works 12-10. Creating an Updatable ResultSet Problem Solution How It Works 12-11. Caching Data for Use When Disconnected Problem Solution How It Works 12-12. Obtaining Dates for Database Use Problem Solution How It Works 12-13. Closing Resources Automatically Problem Solution How It Works 12-14. Summary Chapter 13: Java Web Applications 13-1. Installing Tomcat Problem Solution How It Works 13-2. Creating an HTML Page Problem Solution How It Works 13-3. Creating a JSP Page Problem Solution How It Works 13-4. Listing the HTML-Request Parameters Problem Solution How It Works 13-5. Creating and Configuring a Web Project Problem Solution How It Works 13-6. Creating a Servlet Problem Solution How It Works 13-7. Using a Servlet for Representing Values Problem Solution How It Works 13-8. Summary Chapter 14: Email 14-1. Installing JavaMail Problem Solution How It Works 14-2. Sending an Email Problem Solution How It Works 14-3. Attaching Files to an Email Message Problem Solution How It Works 14-4. Sending an HTML Email Problem Solution How It Works 14-5. Sending Email to a Group of Recipients Problem Solution How It Works 14-6. Checking Email Problem Solution How It Works 14-7. Summary Chapter 15: JSON and XML Processing 15-1. Writing an XML File Problem Solution How It Works 15-2. Reading an XML File Problem Solution 1 Solution 2 How It Works 15-3. Transforming XML Problem Solution How It Works 15-4. Validating XML Problem Solution How It Works 15-5. Working with JSON Problem Solution How It Works 15-6. Building a JSON Object Problem Solution How It Works 15-7. Writing a JSON Object to File Problem Solution How It Works 15-8. Parsing a JSON Object Problem Solution How It Works 15-9. Summary Chapter 16: Networking 16-1. Listening for Connections on the Server Problem Solution How It Works 16-2. Defining a Network Connection to a Server Problem Solution How It Works 16-3. Broadcasting to a Group of Recipients Problem Solution How It Works 16-4. Generating and Reading from URLs Problem Solution How It Works 16-5. Parsing a URL Problem Solution How It Works 16-6. Summary