Java 15 introduced Sealed Classes, which allow you to control which classes can extend or implement a class or interface. This feature improves encapsulation, ...

Java 14 introduced Pattern Matching for instanceof, simplifying type checking and casting. Before Java 14, developers had to manually cast objects after using ...

Java 13 introduced Text Blocks, a new way to write multi-line strings using triple quotes ("""). This feature makes it easier to write formatted text such as ...

Java 12 introduced the Collectors.teeing() method, which allows a single stream to be processed by two different collectors simultaneously, and then combines ...

Java 11 introduced simpler ways to read and write files using the Files class. These new methods improve file handling by reducing boilerplate code. 1. ...

Java 11 introduced new methods for the String class, making it easier to handle whitespace, multi-line text, and string repetition. 1. strip(), ...

Java 10 introduced local variable type inference using the var keyword. This feature allows Java to infer the type of a local variable automatically, making ...

JShell is Java’s Read-Eval-Print Loop (REPL), introduced in Java 9, allowing developers to run Java code interactively without compiling a full program. ...

In Java 9, a major memory optimization was introduced called Compact Strings. This feature reduces memory usage for String objects by using a more efficient ...

Before Java 9, creating immutable lists, sets, and maps required multiple lines of code using Arrays.asList(), Collections.unmodifiableList(), or new ...

Java 9 introduced new methods in the Stream API to improve functionality and efficiency. These enhancements include takeWhile(), dropWhile(), ...

The Collectors API (java.util.stream.Collectors) provides powerful tools for processing and collecting stream results, such as converting them into lists, ...