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

Use the parse method of another wrapper class.; Use the deprecated constructor of the Long class and autobox into a primitive long. Use the parse method of a different wrapper class, such as Integer.; ...

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 ...