Java Notes for Professionals

The Java Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow. Text content is released under Creative Commons BY-SA.

Table of Contents

• Getting started with Java Language
• Type Conversion
• Getters and Setters
• Reference Data Types
• Java Compiler – ‘javac’
• Documenting Java Code
• Command line Argument Processing
• The Java Command – ‘java’ and ‘javaw’
• Literals
• Primitive Data Types
• Strings
• StringBuffer
• StringBuilder
• String Tokenizer
• Splitting a string into fixed length parts
• Date Class
• Dates and Time (java.time.*)
• LocalTime
• BigDecimal
• BigInteger
• NumberFormat
• Bit Manipulation
• Arrays
• Collections
• Lists
• Sets
• List vs Set
• Maps
• LinkedHashMap
• WeakHashMap
• SortedMap
• TreeMap and TreeSet
• Queues and Deques
• Dequeue Interface
• Enums
• Enum Map
• EnumSet class
• Enum starting with number
• Hashtable
• Operators
• Constructors
• Object Class Methods and Constructor
• Annotations
• Immutable Class
• Immutable Objects
• Visibility (controlling access to members of a class)
• Generics
• Classes and Objects
• Local Inner Class
• Nested and Inner Classes
• The java.util.Objects Class
• Default Methods
• Packages
• Inheritance
• Reference Types
• Console I/O
• Streams
• InputStreams and OutputStreams
• Readers and Writers
• Preferences
• Collection Factory Methods
• Alternative Collections
• Concurrent Collections
• Choosing Collections
• super keyword
• Serialization
• Optional
• Object References
• Exceptions and exception handling
• Calendar and its Subclasses
• Using the static keyword
• Properties Class
• Lambda Expressions
• Basic Control Structures
• BufferedWriter
• New File I/O
• File I/O
• Scanner
• Interfaces
• Regular Expressions
• Comparable and Comparator
• Java Floating Point Operations
• Currency and Money
• Object Cloning
• Recursion
• Converting to and from Strings
• Random Number Generation
• Singletons
• Autoboxing
• JAXB
• Class – Java Reflection
• Networking
• NIO – Networking
• HttpURLConnection
• JAX-WS
• Nashorn JavaScript engine
• Java Native Interface
• Functional Interfaces
• Fluent Interface
• Remote Method Invocation (RMI)
• Iterator and Iterable
• Reflection API
• ByteBuffer
• Applets
• Expressions
• JSON in Java
• XML Parsing using the JAXP APIs
• XML XPath Evaluation
• XOM – XML Object Model
• Polymorphism
• Encapsulation
• Java Agents
• Varargs (Variable Argument)
• Logging (java.util.logging)
• log4j / log4j2
• Oracle Official Code Standard
• Character encoding
• Apache Commons Lang
• Localization and Internationalization
• Parallel programming with Fork/Join framework
• Non-Access Modifiers
• Process
• Java Native Access
• Modules
• Concurrent Programming (Threads)
• Executor, ExecutorService and Thread pools
• ThreadLocal
• Using ThreadPoolExecutor in MultiThreaded applications.
• Common Java Pitfalls
• Java Pitfalls – Exception usage
• Java Pitfalls – Language syntax
• Java Pitfalls – Threads and Concurrency
• Java Pitfalls – Nulls and NullPointerException
• Java Pitfalls – Performance Issues
• ServiceLoader
• Classloaders
• Creating Images Programmatically
• Atomic Types
• RSA Encryption
• Secure objects
• Security & Cryptography
• Security & Cryptography
• SecurityManager
• JNDI
• sun.misc.Unsafe
• Java Memory Model
• Java deployment
• Java plugin system implementations
• JavaBean
• Java SE 7 Features
• Java SE 8 Features
• Dynamic Method Dispatch
• Generating Java Code
• JShell
• Stack-Walking API
• Sockets
• Java Sockets
• FTP (File Transfer Protocol)
• Using Other Scripting Languages in Java
• C++ Comparison
• Audio
• Java Print Service
• CompletableFuture
• Runtime Commands
• Unit Testing
• Asserting
• Multi-Release JAR Files
• Just in Time (JIT) compiler
• Bytecode Modification
• Disassembling and Decompiling
• JMX
• Java Virtual Machine (JVM)
• XJC
• JVM Flags
• JVM Tool Interface
• Java Memory Management
• Java Performance Tuning
• Benchmarks
• FileUpload to AWS
• AppDynamics and TIBCO BusinessWorks Instrumentation for Easy Integration

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