Trail: Essential Classes: Table of Contents (The Java™ Tutorials)

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Trail: Essential Classes: Table of Contents

Exceptions

What Is an Exception?
The Catch or Specify Requirement
Catching and Handling Exceptions

The try Block
The catch Blocks
The finally Block
Putting It All Together

Specifying the Exceptions Thrown by a Method
How to Throw Exceptions

Chained Exceptions
Creating Exception Classes

Unchecked Exceptions — The Controversy
Advantages of Exceptions
Summary
Questions and Exercises

Basic I/O

I/O Streams

Byte Streams
Character Streams
Buffered Streams
Scanning and Formatting

Scanning
Formatting

I/O from the Command Line
Data Streams
Object Streams

File I/O (featuring NIO.2)

What is a Path? (And Other File System Facts)
The Path Class

Path Operations
File Operations

Checking a File or Directory
Deleting a File or Directory
Copying a File or Directory
Moving a File or Directory
Managing Metadata (File and File Store Attributes)
Reading, Writing, and Creating Files
Random Access Files
Creating and Reading Directories
Links, Symbolic or Otherwise
Walking the File Tree
Finding Files
Watching a Directory for Changes
Other Useful Methods
Legacy File I/O Code

Summary
Questions and Exercises: Basic I/O

Concurrency

Processes and Threads
Thread Objects

Defining and Starting a Thread
Pausing Execution with Sleep
Interrupts
Joins
The SimpleThreads Example

Synchronization

Thread Interference
Memory Consistency Errors
Synchronized Methods
Intrinsic Locks and Synchronization
Atomic Access

Liveness

Deadlock
Starvation and Livelock

Guarded Blocks
Immutable Objects

A Synchronized Class Example
A Strategy for Defining Immutable Objects

High Level Concurrency Objects

Lock Objects
Executors

Executor Interfaces
Thread Pools

Concurrent Collections
Atomic Variables

For Further Reading
Questions and Exercises: Concurrency

The Platform Environment

Configuration Utilities

Properties
Command-Line Arguments
Environment Variables
Other Configuration Utilities

System Utilities

Command-Line I/O Objects
System Properties
The Security Manager
Miscellaneous Methods in System

PATH and CLASSPATH
Questions and Exercises: The Platform Environment

Regular Expressions

Introduction
Test Harness
String Literals
Character Classes
Predefined Character Classes
Quantifiers
Capturing Groups
Boundary Matchers
Methods of the Pattern Class
Methods of the Matcher Class
Methods of the PatternSyntaxException Class
Additional Resources
Questions and Exercises: Regular Expressions

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