question: private void adjustNameAndPosition ( Node node , int deltaX , int deltaY ) { String originalName = node . getName ( ) ; String uniqueName = nextUniqueName ( originalName ) ; if ( ! uniqueName . equals ( originalName ) ) { node . setName ( uniqueName ) ; node . setCenterX ( node . getCenterX ( ) + deltaX ) ; node . setCenterY ( node . getCenterY ( ) + deltaY ) ; } }
target:  Adjusts the name to avoid name conflicts in the new session and, if the name is adjusted, adjusts the position so the user can see the two nodes.