trouble with ProcessBuilder

Question

// following code works fine n open notepad... class demo { public static void main(String args[]) { try{ ProcessBuilder pb=new ProcessBuilder("notepad"); pb.start(); }catch(Exception e) {System.out.print(e);} } } //however the above code throws an exception when any other system program is executed class demo { public static void main(String args[]) { try{ ProcessBuilder pb=new ProcessBuilder("calculator"); pb.start(); }catch(Exception e) {System.out.print(e);} } }

the above program throws following exception:

java.io.IOException: Cannot run program "Calculator": CreateProcess error=2, The system cannot find the file specified

aioobe · Accepted Answer · 2012-01-03 07:37:17Z

You should include the full path to the executable (including the directories and the .exe extension).

Should actually be apparent from the error message you got :-)

(The reason "notepad" worked indicates that it will search %PATH% and try to append .exe if necessary. This leads me to believe that "calc" may also work :-)

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