Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you ...

The Long.parseLong() method returns a long primitive, not a wrapper.; The Long.parseLong() method uses the Long class, which is semantically correct. The Long.parseLong() method does not require ...

It means that on newer JDKs, a wrapper class will be created automatically when a primitive type is used anywhere a reference type is expected. As such, on post JDK 1.5 versions of the JVM, the ...