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 ...

Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

The Java Iterator is an all-purpose interface that simplifies looping through a collection of objects. Java's ListIterator provides all the functionality of the Iterator interface, with four ...

A frequently asked question in a Java interview is: How to implement a Java HashMap? Java job seekers must fully grok this important concept if they want to ace the interview. The HashMap tutorial ...