HELP! * YELLOW=global GREY=local Global HTML version of Foils prepared 4 February 97

Foil 49 Table for Java file and network access

From Feb 3 Delivered Lecture for Course CPS616 -- Java Lecture 4 -- AWT Through I/O CPS616 spring 1997 -- Feb 3 1997. by Nancy McCracken * Critical Information in IMAGE
Secs 12.9
This table shows what Java programs can do in the following four cases:
  • NL - Netscape loading a URL for applet
  • NF - Netscape loading a local file for applet
  • AV - Applet viewer
  • JA - Java application (not an applet)
    • NL NF AV JA
  • read local file no no yes yes
  • write local file no no yes yes
  • get file information no no yes yes
  • delete file no no no yes
  • run another program no no yes yes
  • read the user.name proper no yes yes yes
  • connect to network port on server yes yes yes yes
  • connect to network port on other host no yes yes yes
  • load Java library no yes yes yes
  • call exit no no yes yes
  • create a pop-up window with warning yes yes yes
Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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Page produced by wwwfoil on Sun Feb 16 1997