データの保存と読み込み

public void saveData() {
    try {
        RecordStore rs =  RecordStore.openRecordStore("test", true);
        if (rs.getNumRecords() == 0) {
            rs.addRecord(data, 0, data.length);
        } else {
            rs.setRecord(1, data, 0, data.length);
        }
        rs.closeRecordStore();
    } catch(Exception e){}
}

public void loadData() {
    try {
        RecordStore rs = RecordStore.openRecordStore("test", false);
        data = rs.getRecord(1);
        rs.closeRecordStore();
    } catch(Exception e){}
}