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E

E (value) : java.lang.Math
editing strings : Editing
Editor (object) : File Selection Dialog
elementAt( ) : java.util.Vector
elements( )
- java.util.Enumeration
- java.util.Hashtable
embeddable applications (see applets)
encapsulation
- Safety of Implementation
- Variable and Method Visibility
- Glossary
encoding
- color image data : Color models
- ISO10646 : Glossary
- ISO8859-1 : Glossary
- text : Text Encoding
- UTF-8 : Glossary
Encryption (class) : The Encryption class
endsWith( ) : Searching
Enumeration interface
- java.util.StringTokenizer
- java.util.Enumeration
environment information : System Properties
- CLASSPATH : The Class Path
EOFException : java.io.RandomAccessFile
equality (=) operator : Operators
equals( )
- The Object and Class Classes
- Comparisons
equalsIgnoreCase( ) : Comparisons
err (see System.err)
ERROR (variable) : Implementing an ImageObserver
errors and exceptions
- Error Handling
- Exceptions
- Statements
- Exceptions
- Glossary
- ArithmeticException : Math Utilities
- ArrayIndexOutOfBoundsException : Using Arrays
- ArrayStoreException : Inside Arrays
- ClassCastException
- - Casting
  - java.util.Vector
  - Getting the Content as an Object
- compile time errors : Statements
- EOFException : java.io.RandomAccessFile
- error classes : Exceptions and Error Classes
- FileNotFoundException
- - File Streams
  - Taming the daemon
- IllegalAccessException : java.lang.Class
- InstantiationException : java.lang.Class
- InterruptedException
- - Exceptions
  - Controlling Threads
- IOException
- - Terminal I/O
  - Print streams
  - File Streams
  - java.io.RandomAccessFile
  - Clients
  - HeartBeat
  - Getting the Content as an Object
- MalformedURLException : The URL class
- NullPointerException
- - Variables
  - null
- NumberFormatException : Wrappers for Primitive Types
- OutOfMemoryException : Glossary
- overridden methods and : Exceptions and overridden methods
- ParseException (invented) : Buffered streams
- runtime exceptions : The throws Clause and checked Exceptions
- SecurityException : The Security Manager
- throwing exceptions on purpose : Throwing Exceptions
- UnknownHostException
- - Clients
  - HeartBeat
- UnknownServiceException : Stream Data
escape sequences : Text Encoding
evaluation, order of
- Statements and Expressions
- Operators
events
- Events
- Glossary
@exception tag : Comments
exceptions (see errors and exceptions)
exists( ) : File methods
exp( ) : java.lang.Math
exponents/exponentials
- java.lang.Math
expressions
- Statements and Expressions
- Expressions
extends (keyword)