How to create java program to merge to csv files

In this tutorial, we will learn how to merge to csv files in java with easy explanation  and easy examples. This may  help you understand merge to csv files briefly and how to do it.

In this tutorial we will show how to merge to csv files in very easy manner, we know that how java can combine multiple csv files into single csv file.it also handles the error handling like file not found/invalid.

It reads the data from a specific input csv files , combines the data from input files and creates new csv file and writes merged data. Here we are

               Java program to merge csv files

For merging csv files you have to follow the following steps:

• First we have to Load the csv 1 file with an instance of workbook class.
•  After the loading csv 1 file then we have to Load the csv 2 file with an instance of workbook class.
• Merge the both both files using combine()method.
• We have to  Save the merged csv file path at some place.

 

• //First we have to open 1 csv file 
  workbook csvFile2004 = new
  workbook("filepath.csv");
  //open second csv file
  workbook csvFile2005 = new
  workbbok("filepath.csv");
  //combine two csv files
  csvFile2004.combine(csvFile2005);
  //save the file 
  csvFile2004.save("combined Filepath.csv");

   

        what is a csv file?

A comma separated values (csv) is a normal simple file format which is used to store  the tabular values such as spreadsheet, Microsoft Office and Microsoft Excel . It stores data in table format

csv file is a human readable  language ,data can be imported and maintains high accuracy