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Java general
Applet, loads file from server
Applet, find out the host
Array, searching element
Array, initialize
Array sort
Array to collection
Array, extend
ArrayList to array
assert
Base64
Beans, vetoable
load an image from a jar file
Byte-Array to hex string
Byte array to object
Clipboard
Collection, remove elements with iteration
Connection pooling
Input from console
CPU, number of cores
Create/delete file
Write file
Read file line-by-line
File filter
Format date
Print on a certain printer
Send e-mail
Enumeration, through iterate
Enumeration, subset
Exceptions, raw
Set colour for lines, texts etc.
Generic with instanceof
Hashtable, sort
Determine own IP-address
InputStreamReader
Determine MAC-address
Modifier
Locale, language, land
logging
locate
lru-cache
map, iterate over
object to byte-array
Operators, priority
Optional parameter (...)
OutOfMemoryError
OutputStreamWriter
parse and format of an number (bin, oct, hex)
private fields, extern access
read and write properties
Read-write-permission
regular expressions
Servlet
ShutdownHook
singleton
take String apart, StringTokenizer
memory, Heap, free
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seit 9.10.2007