javaw.exe : Java Glossary

javaw.exe

The javaw.exe command is identical to java.exe, except that with javaw.exe there is no associated console window. This implies you can’t get it to display the version with -version since there is no console to display it on. Use javaw.exe when you don’t want a command prompt window to appear. The javaw.exe launcher will, however, display a dialog box with error information if a launch fails for some reason.

When you assocate *.jar files with either java.exe or javaw.exe you will control whether you can see the console output.

Oracle’s JDK Tool Guide to javaw.exe : available:

on the web at Oracle.com
in the current JDK 1.7.0_02 on your local Windows J: drive.

associations
console
jar files
java.exe
javac.exe
tools

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