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
Byte-Array to hex string
Byte array to object
Clipboard
Collection, remove elements with iteration
Connection pooling
CPU, number of cores
create directory
Create/delete file
delete directory recursive
Determine MAC-address
Determine own IP-address
divert System.out into a file
Enumeration, through iterate
Enumeration, subset
environment variable
Exceptions, raw
File filter
format date
format numbers
Generic with instanceof
Hashtable, sort
identify Thread-ending
Input from console
InputStreamReader
load an image from a jar file
Locale, language, land
logging
locate
lru-cache
map, iterate over
memory, Heap, free
Modifier
object to byte-array
Operators, priority
Optional parameter (...)
OutOfMemoryError
OutputStreamWriter
parse and format of an number (bin, oct, hex)
pause Thread
Print on a certain printer
private fields, extern access
read and write properties
Read file line-by-line
Read-write-permission
regular expressions
Send e-mail
Servlet
Set colour for lines, texts etc.
ShutdownHook
singleton
socket, SSLSocket
sort vector
SQL, commit, rollback
StrackTrace without Exception
status text in browser-status line
String to InputStream
String-Search with free variables
System-Properties (System.getProperty(".."))
take String apart, StringTokenizer
thread, wait() and notify()
unicode, table of german umlauts
value facet for Java-datatypes
vm-parameter
Write file