问数据库文件没有被创建吗？

EN

/**path to the sqlite database folder that contains all .db files*/
public static final String SQLITE_DATABASE_FOLDER = "c:"+File.separator+"MainWorkspace"+File.separator+"SQLiteDB_Assets"+File.separator+"SQLiteDB";

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//in the main method
NodeFactory nodeFactory = new NodeFactory();
    nodeFactory.newSQLiteConn(SysConsts.TEST_DATABASE_NAME);

//member method in NodeFactory class
public void newSQLiteConn(String dbName) throws ClassNotFoundException, SQLException {
    if (dbName != null) {
        if (!dbName.isEmpty()) {

            this.dbName = dbName;

            Class.forName("org.sqlite.JDBC");
            this.dbURL = "jdbc:sqlite:"+SysConsts.SQLITE_DATABASE_FOLDER+File.separator+this.dbName;

        } else {
            Log.e(TAG, "newSQLiteConn", "dbName is empty");
        }
    } else {
        Log.e(TAG, "newSQLiteConn", "dbName is null");
    }
}