private void addFormatCode(CTNumFmt fmt) 
    {
        if(numFmts == null)
            numFmts = new HashMap();
        numFmts.put(fmt.getNumFmtId(), 
            fmt.getFormatCode());
    }
private void addFormatCode ( CTNumFmt fmt ) { if ( numFmts == null ) numFmts = new HashMap ( ) ; numFmts . put ( fmt . getNumFmtId ( ) , fmt . getFormatCode ( ) ) ; }
Adds the given number format to the cache.
@param fmt The number format to be added