Bug 56965 Classpath variable name has to be a valid Java identifier
I20040330 window>preferences>java>classpath variables>new type '444' an error is displayed in the dialog : Invalid name: ''444' is not a valid Java identifier.'. I don't see any reason why the name of the variable has to be a valid Java identifier.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/VariableCreationDialog.java
}
		return status;
	}
	
	
	private String getInitPath() {
		String initPath= fPathField.getText();
		if (initPath.length() == 0) {		
			initPath= fDialogSettings.get(IUIConstants.DIALOGSTORE_LASTEXTJAR);
			if (initPath == null) {
				initPath= ""; 
			}
		} else {
			IPath entryPath= new Path(initPath);
			if (ArchiveFileFilter.isArchivePath(entryPath)) {
				entryPath.removeLastSegments(1);
			}
			initPath= entryPath.toOSString();
		}
		return initPath;
	}		
	
	
	/*
	 * Open a dialog to choose a jar from the file system
	 */
	private IPath chooseExtJarFile() {
		String initPath= getInitPath();
		
		FileDialog dialog= new FileDialog(getShell());