Simple SnakeYAML example

hello_world.yaml

master_key_one:
  sub_key_one : 'value_one'
  sub_key_two : 'value_two'
master_key_two:
  sub_key_one : 'value_one'
  sub_key_two : 'value_two'

HelloYaml.java

import org.yaml.snakeyaml.Yaml;

import java.io.FileNotFoundException;
import java.io.FileInputStream;
import java.io.File;
import java.util.Map;

public class HelloYaml {
        @SuppressWarnings("unchecked")
        public static void main(String[] args) throws FileNotFoundException {
                Yaml yaml = new Yaml();

                System.out.println(yaml.dump(yaml.load(new FileInputStream(new File(
                                "hello_world.yaml")))));

                Map<String, Map<String, String>> values = (Map<String, Map<String, String>>) yaml
                                .load(new FileInputStream(new File("hello_world.yaml")));

                for (String key : values.keySet()) {
                        Map<String, String> subValues = values.get(key);
                        System.out.println(key);

                        for (String subValueKey : subValues.keySet()) {
                                System.out.println(String.format("\t%s = %s",
                                                subValueKey, subValues.get(subValueKey)));
                        }
                }
        }
}