How to Determine the Delimiter in CSV File

Date: 2024-11-14

This Java Code Geeks article explains how to detect the delimiter in a CSV file using Java. Since Java lacks a built-in function, the article presents two methods: one analyzing the first line to count delimiter occurrences (comma, semicolon, tab, pipe), and a more robust method sampling multiple lines for greater accuracy. Both methods use BufferedReader to read the file and a HashMap to store delimiter counts. The most frequent delimiter is identified as the likely separator.

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