public static void main ( String [ ] args ) {
  Queue < Integer > q = new java . util . LinkedList < > ( ) ;
  q . add ( 11 ) ;
  q . add ( 12 ) ;
  q . add ( 13 ) ;
  q . add ( 14 ) ;
  q . add ( 15 ) ;
  q . add ( 16 ) ;
  q . add ( 17 ) ;
  q . add ( 18 ) ;
  q . add ( 19 ) ;
  q . add ( 20 ) ;
  interLeaveQueue ( q ) ;
  int length = q . size ( ) ;
  for ( int i = 0 ;
  i < length ;
  i ++ ) {
    System . out . print ( q . peek ( ) + " " ) ;
    q . poll ( ) ;
  }
}

public static void main ( String [ ] args ) { Queue < Integer > q = new java . util . LinkedList < > ( ) ; q . add ( 11 ) ; q . add ( 12 ) ; q . add ( 13 ) ; q . add ( 14 ) ; q . add ( 15 ) ; q . add ( 16 ) ; q . add ( 17 ) ; q . add ( 18 ) ; q . add ( 19 ) ; q . add ( 20 ) ; interLeaveQueue ( q ) ; int length = q . size ( ) ; for ( int i = 0 ; i < length ; i ++ ) { System . out . print ( q . peek ( ) + " ▁ " ) ; q . poll ( ) ; } }
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