Analyze the time and space complexity of your solution. Compare your solution to others and identify areas for improvement.

Viper does the following for you: Find, load, and unmarshal a configuration file in JSON, TOML, YAML, HCL, INI, envfile or Java properties ... function provided by the pflag package called ...

There are a few cases where they are particularly useful: // Lambda Expression way String prefix = "Mr. "; names.stream().map(str -< prefix.concat ... of Java’s lambda expressions and method ...