DlgHistogram 630 graph/JavaPopWeb/src/jp/ac/nime/computer/grpsimulator/GrpSim.java if ((dlg != null) && (dlg instanceof DlgHistogram)) { DlgHistogram 649 graph/JavaPopWeb/src/jp/ac/nime/computer/grpsimulator/GrpSim.java if ((dlg != null) && (dlg instanceof DlgHistogram)) { DlgHistogram 667 graph/JavaPopWeb/src/jp/ac/nime/computer/grpsimulator/GrpSim.java DlgHistogram dlg = new DlgHistogram();