private static Map<String,ClassNode> loadNodes(File file){
  Map<String,ClassNode> nodes=null;
  try {
    nodes=JarUtils.loadClasses(file);
  }
 catch (  IOException e) {
    e.printStackTrace();
  }
  if (nodes == null) {
    Logger.errLow("Failed reading classes from: " + file.getAbsolutePath());
    return null;
  }
  return nodes;
}

private static Map < String , ClassNode > loadNodes ( File file ) { Map < String , ClassNode > nodes = null ; try { nodes = JarUtils . loadClasses ( file ) ; } catch ( IOException e ) { e . printStackTrace ( ) ; } if ( nodes == null ) { Logger . errLow ( "Failed reading classes from: " + file . getAbsolutePath ( ) ) ; return null ; } return nodes ; }
reads clasnodes from a file and returns them as a map .
