question: private void checkInteriorIntersections ( ) { for ( Iterator i = segStrings . iterator ( ) ; i . hasNext ( ) ; ) { SegmentString ss0 = ( SegmentString ) i . next ( ) ; for ( Iterator j = segStrings . iterator ( ) ; j . hasNext ( ) ; ) { SegmentString ss1 = ( SegmentString ) j . next ( ) ; checkInteriorIntersections ( ss0 , ss1 ) ; } } }
target:  Checks all pairs of segments for intersections at an interior point of a segment