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Groovy – Create Immutable Objects

In Groovy, it is possible to create an immutable using the groovy.transform.Immutable annotation. One possible use-case for this is when we want to create a object (with data initialized through the class constructor) that is passed to another application layer (e.g., service) but we don’t want that object modified in that layer. Continue Reading

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Java – 5 things You Cannot do with Generic Types

Generics is one of the best things that happened to Java. Anyone who has worked with Java during its pre-JDK5 era can attest to that. For new developments, it has drastically reduced the amount of written codes and provided compile-time type checking using Generic Types. However, there are some things you cannot do with Generics Types. Continue Reading