Difference between int and Integer The key difference between the Java int and Integer types is that an int simply represents a whole number, while an Integer has additional properties and methods.

Java has a powerful new concurrency model, and it works with both traditional and virtual threads. Here's a first look at structured concurrency.

Fewer bugs: Since Java handles the type casting automatically, you avoid mistakes like ClassCastException s. In short, pattern matching makes your Java code simpler, safer, and easier to read.

Java's I/O streams provide standardized ways to read and write data. Any object representing a mutable data source in Java exposes methods for reading and writing its data as a stream.