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Modern Java: From Fundamentals to Advanced Architecture

Solution: The Data Parser Pipeline

Explore how to implement exception handling in a data parser pipeline using Java's try-catch-finally structure. Understand isolating errors within loop iterations, managing NumberFormatException, and ensuring reliable audit logging for each data item processed.

We'll cover the following...
Java 25
public class DataPipeline {
    public static void processReadings(String[] rawData) {
        for (String data : rawData) {
            try {
                // Attempt to parse the current string
                int value = Integer.parseInt(data);
                System.out.println("Parsed Value: " + value);
            } catch (NumberFormatException e) {
                // Handle non-numeric data gracefully
                System.out.println("Skipped invalid data: " + data);
            } finally {
                // This runs for every item, success or failure
                System.out.println("--- Item Processed ---");
            }
        }
    }
    
    public static void main(String[] args) {
        String[] rawData = {"100", "N/A", "205", "Error", "42"};
        processReadings(rawData);
    }
}
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