शुरू करेंमुफ़्त में शुरू करें

Pattern finding

You need to group sales by platform generation for a trend analysis. By extracting version numbers from platform names, you can categorize sales across different console generations. You've extracted some platform names from the video game dataset.

The necessary packages such as CharMatcher, and Pattern have been imported for you.

यह अभ्यास पाठ्यक्रम का हिस्सा है

Cleaning Data in Java

पाठ्यक्रम देखें

अभ्यास निर्देश

  • Check if the matcher finds any version number.
  • Report the version number that the matcher finds.

इंटरैक्टिव व्यावहारिक अभ्यास

इस अभ्यास को इस नमूना कोड को पूरा करके आज़माएँ।

public class PatternValidation {
    public static void main(String[] args) {
        List platforms = Arrays.asList("PlayStation 5", "PlayStation 4", "Xbox One", "Switch");
        Pattern versionPattern = Pattern.compile("\\d");  // Match single digit versions

        for (String platform : platforms) {
            Matcher matcher = versionPattern.matcher(platform);
            // Check if the matcher finds any version number
            if (____.____()) {
                // Report the version number that the matcher finds
                System.out.println(platform + ": version " + ____.____());
            } else {
                System.out.println(platform + ": no version number");
            }
        }
    }
}
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