I need to write my query.getResultList() into a .CSV file. I call the query over this: and the Namequery just do SELECT * FROM TABLE, the result of query.getResultList() looks like this: I can’t use OpenCSV. The CSV file needs to have headers. Answer You can use something like
Tag: export-to-csv
How to process object with map for CSV output
I have a set of below Objects, which i need to write to CSV: Above set can have a map with two, three or four values. Output of CSV required: I started with below snippet to print out: But above is creating a two column csv with userId and behaviours printing all map object behaviours. How to achieve above type
Time efficient way to convert List of String Arrays into CSV file using StringBuilder?
I have a List of String arrays that I need to write into a CSV file efficiently. I’ve tried it two ways below. Dataset is a file with at least 1 million records in size. ie. returnedList has at least 1 million String[] arrays. My current code is terribly inefficient and takes far too long using the StringBuilder: My second
Open CSV to export resultset to string type
I want to export the result set of the SQL query to a CSV file. I am using opencsv to export to CSV file. I am using below code to achieve it. But the problem I face is, it automatically exports to the datatype of the database column which is from resultset. Example: if I a column with datatype as
How to export and save tables to .csv from access database in java
I am trying to export a lot of large tables from a MS Access db with java using the jdbc:odbc bridge. I wanted to save these tables to a CSV file first was wondering what would the best way to do this would be? any help would be appreciated. Answer Fetch the values and write a standard text file line