void isiTabelPekanMhs() {
        int x = 0;
        Object data[][] = new Object[recordPekanMhs.size()][2];
        for (pekanMhs p : recordPekanMhs) {
            data[x][0] = p.getPekan();
            data[x][1] = p.getNilai();
            x++;
        }
        String judul[] = {"pekan", "nilai"};
        tabPekanMhs.setModel(new DefaultTableModel(data, judul));
        jScrollPane14.setViewportView(tabPekanMhs);
    }