Deep dive into Optional class API in Java 8

We all as Java programmers been through the situation where in we invoke a method to get some value and…

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DSL based approach to input Graph data in graph theory based java programs

Most of us have coded some programs which deal with graph theory algorithms like finding the shortest path between two…

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Creating External DSLs using ANTLR and Java

In my previous post quite sometime back I had written about Internal DSLs using Java. In the book Domain Specific…

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Strategy Pattern using Lambda Expressions in Java 8

Strategy Pattern is one of the patterns from the Design Patterns : Elements of Reusable Object book. The intent of…

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Creating Internal DSLs in Java, Java 8- Adopting Martin Fowler’s approach

Currently I am reading this wonderful book on DSLs- Domain Specific Languages by Martin Fowler. The buzz around the DSLs,…

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Factory Method pattern in Java

In my previous post about the Template Method pattern, I showed how one can leverage lambda expression and default methods.…

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Parsing XML using DOM, SAX and StAX Parser in Java

I happen to read through a chapter on XML parsing and building APIs in Java. And I tried out the…

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Train Wreck Pattern – A much improved implementation in Java 8

Venkat Subramaniam at a talk today mentioned about Cascade Method pattern or Train Wreck pattern which looks something like:  …

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Template Method Pattern – Using Lambda Expressions, Default Methods

Template Method pattern is one of the 23 design patterns explained in the famous Design Patterns book by Erich Gamma,…

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