Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data you want ...

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 ...

Java has a "Random" class that lets you generate a random number you use to implement calculations in your Java source code. You use this library to generate a random number and insert the number into ...

An array in Java is a type of variable that can store multiple values. It stores these values based on a key that can be used to subsequently look up that information. Arrays can be useful for ...