Repository containing C, C++, and Java programs focused on core concepts and Object-Oriented Programming (OOPs). Includes examples of loops, arrays, functions, classes, inheritance, polymorphism, ...

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There are many ways to do anything in Java, and there is no conclusive right way. Often, the right way is simply the way you know best. Imperative loops like the for loop are the most basic way to do ...

Certain principles hold for the use of iterators: In general, you should be able to have multiple traversals in progress at the same time; that is, an iterator should allow for the concept of nested ...

The Java Platform provides the most commonly used data structures in the form of the Collections Framework, and it provides a rich API to operate on them. In this first article in a two-part series, I ...

Each file represents a focused exploration of fundamental Java concepts. Click on the file names to view the code, and use timestamps to jump directly to relevant tutorial sections: ...

Researchers have built proof-of-concept exploits for an unpatched unserialize vulnerability in Apache Commons Collections, a library used in most Java rollouts. For close to 10 months, a critical ...