/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	private static final Map<String, Integer> defaults = new HashMap<>();
 
	static {
	    defaults.put("maxUsers", 10);
	    defaults.put("timeout", 5000);
	    defaults.put("retries", 3);
	}
 
	public static void main(String[] args) {
	    Map<String, Integer> config = new HashMap<>(defaults);
 
	    for (String key : config.keySet()) {
	        // Update values based on some "dynamic" logic
	        config.put(key, config.get(key) + key.length());
	    }
 
	    System.out.println("Final config: " + config);
	}
}

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