Benefits of Java design patterns. Since every application is different, following an established design pattern does not guarantee the absolute perfect solution to your specific challenge.

While it started out as an object-oriented design pattern, Java 8 introduced lambda expressions, allowing for an object-functional implementation of the Command pattern.

Design patterns are discussed in JavaWorld’s Java 101, Java tips and Java Q&A series: Some patterns have become more important with time: Others have stood the test of time: ...