Streams connect to files and programs
Web Host Machine
Client Machine
browser
applet
applet
telnet server
ftp server
File
(read)
80
4882
Java
application
Java
application
web server
File
(write)
File
(read)
is
os
is
is
os
os
is
is = input stream
os = output stream
Ports:
Streams are created on a socket connected to a host and port over Internet TCP/IP
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