app/src/main/java/com/example/oplogy/MainActivity.java

@@ -140,7 +140,6 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
                 CreateRoot createRoot = new CreateRoot(MainActivity.this);
                 createRoot.receiveData(myDataList);
                 latch.countDown();
-            });
 
                 new Thread(() -> {
                     try {
@@ -153,6 +152,9 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
                         e.printStackTrace();
                     }
                 }).start();
+            });
+
+
 
             executor.shutdown();
         }

app/src/main/java/com/example/oplogy/SetUpActivity.java

@@ -127,7 +127,6 @@ public class SetUpActivity extends FragmentActivity
                         AppDatabase.class,
                         "SetUpTable"
                 )
-                        .fallbackToDestructiveMigration()
                         .build();
                 SetUpTableDao setUpTableDao = db.setUpTableDao();
                 // Roomの操作を行う