afreechart/src/main/java/org/afree/chart/plot/AbstractPieLabelDistributor.java
/**
     * Adds a label record.
     *
     * @param record  the label record (<code>null</code> not permitted).
     */
Adds a label record.
@param record  the label record (null not permitted).
Adds a label record . @param record the label record ( null not permitted ) .
public void addPieLabelRecord(PieLabelRecord record) {
        if (record == null) {
            throw new IllegalArgumentException("Null 'record' argument.");
        }
        this.labels.add(record);
    }
public void addPieLabelRecord ( PieLabelRecord record ) { if ( record == null ) { throw new IllegalArgumentException ( "Null 'record' argument." ) ; } this . labels . add ( record ) ; }
Adds a label record.
Adds a label record .