Java collection framework provides you with the complete architecture of objects. Java frameworks group of objects includes – classes, interfaces, and algorithm. Class – Everything in Java is ...

Java 1.2 introduced the collection classes that we all know and love, and the Iterator design pattern was implemented in a class appropriately named Iterator.

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Although the code may not be as concise as that of Groovy for doing similar things, it beats writing straight Java code without use of Guava’s Collections2 class. Java collections can be ...

The Collections Framework defines two other interfaces that are used to sort objects: java.util.Comparable and java.util.Comparator. Any class implementing the Comparable interface defines a ...

Java collection classes allow a developer to keep track of contained items in one of two ways, either by an indexed count or a key. This creates an obvious limitation where multiple values can’t be ...

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...