public AsciiTable(){
  this.data=new Object[0];
  this.buffer=null;
  this.nFields=0;
  this.nRows=0;
  this.rowLen=0;
  this.types=new Class[0];
  this.lengths=new int[0];
  this.offsets=new int[0];
  this.nulls=new String[0];
}

public AsciiTable ( ) { this . data = new Object [ 0 ] ; this . buffer = null ; this . nFields = 0 ; this . nRows = 0 ; this . rowLen = 0 ; this . types = new Class [ 0 ] ; this . lengths = new int [ 0 ] ; this . offsets = new int [ 0 ] ; this . nulls = new String [ 0 ] ; }
create an empty ascii table
