Introduced in Java 5, generics enhance the type ... that are hard to detect until runtime. As an example of a type safety issue, if you use List (a raw type) instead of the generic List<String ...

Sometimes a HashSet is better than a List. A Java List can contain duplicate entries, as shown in the prior example. However, every item in a HashSet must be unique. If you simply pour a Java List ...

Java developers have long desired the ability to quickly initialize contents of a List or Set. Yet, it’s strange that so many developers are unaware of Java’s relatively new double brace ...