public TabSet(TabStop[] tabs){
  if (tabs != null) {
    int tabCount=tabs.length;
    this.tabs=new TabStop[tabCount];
    System.arraycopy(tabs,0,this.tabs,0,tabCount);
  }
 else   this.tabs=null;
}

public TabSet ( TabStop [ ] tabs ) { if ( tabs != null ) { int tabCount = tabs . length ; this . tabs = new TabStop [ tabCount ] ; System . arraycopy ( tabs , 0 , this . tabs , 0 , tabCount ) ; } else this . tabs = null ; }
creates and returns an instance of tabset . the array of tabs passed in must be sorted in ascending order .
