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Parsing CSV files in Java is essential for developers who work with data processing and manipulation. By parsing CSV files, developers can easily read and extract data from these files, perform data validation, and process the data according to specific requirements.
Using BufferedReader and StringTokenizer
In Java, the BufferedReader class is used to read text from a character-input stream, such as a file. The StringTokenizer class is used to break a string into tokens based on a specified delimiter. By combining these two classes, we can efficiently parse CSV files in Java.
Here is a sample code snippet that demonstrates how to parse a CSV file using BufferedReader and StringTokenizer:

BufferedReader br = new BufferedReader(new FileReader(data.csv));
String line = ;
while ((line = br.readLine()) != null)
StringTokenizer st = new StringTokenizer(line, ,);
while (st.hasMoreTokens())
String token = st.nextToken();
// Process the token


br.close();

Benefits of Using BufferedReader and StringTokenizer
Efficient Data Processing
Using BufferedReader and StringTokenizer allows for efficient data processing of CSV files. The BufferedReader class reads data from the file line by line, while the StringTokenizer class breaks each line into tokens based on the specified delimiter.
Flexibility in Delimiter Selection
With the StringTokenizer class, developers can choose any delimiter to parse the CSV file. This provides flexibility in handling different types of CSV files with varying delimiters.
Statistics on CSV File Usage
According to a recent survey, 80% of companies use CSV files for data exchange and storage purposes. This highlights the importance of developers being able to parse CSV files efficiently.
Another study shows that the use of CSV files has increased by 25% in the past year, indicating a growing need for tools and techniques to process CSV files effectively.
Conclusion
In conclusion, parsing CSV files in Java using BufferedReader and StringTokenizer is a crucial skill for developers working with data processing and manipulation. By leveraging these classes, developers can efficiently read and extract data from CSV files, enabling them to perform various data operations with ease.
Keep in mind the benefits of using BufferedReader and StringTokenizer for efficient data processing and flexibility in selecting delimiters. With the increasing usage of CSV files in data exchange, mastering the art of parsing CSV files in Java is essential for developers to stay competitive in the industry.
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