question: protected boolean labelsHaveSameBaselines ( ) { if ( ! checkedLabelBaselines ) { checkedLabelBaselines = true ; Dictionary dictionary = slider . getLabelTable ( ) ; if ( dictionary != null ) { sameLabelBaselines = true ; Enumeration elements = dictionary . elements ( ) ; int baseline = - 1 ; while ( elements . hasMoreElements ( ) ) { JComponent label = ( JComponent ) elements . nextElement ( ) ; Dimension pref = label . getPreferredSize ( ) ; int labelBaseline = label . getBaseline ( pref . width , pref . height ) ; if ( labelBaseline >= 0 ) { if ( baseline == - 1 ) { baseline = labelBaseline ; } else if ( baseline != labelBaseline ) { sameLabelBaselines = false ; break ; } } else { sameLabelBaselines = false ; break ; } } } else { sameLabelBaselines = false ; } } return sameLabelBaselines ; }
target:  Returns true if all the labels from the label table have the same baseline.