Config File Parser in Java: Explanation & Practice

Problem summary

Read a config file with key=value pairs and provide get(key) functionality.

Starter code

import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) {
        // Read config.properties
        // Parse key=value pairs
        // Print value for given key
    }
}

Expected output and test cases

• Get host

  database.host = localhost

• Get port

  database.port = 5432

• Missing key

  Key not found

Hints

1. Use Properties class or custom parsing
2. Split each line by =
3. Store in HashMap

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