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 ...

Changing the wrapper class to its primitive type. By David Tayouri ; November 17, 2000; ENTERPRISE JAVA Invoke Servlet Methods From Java Apps David Tayouri Listing 4. Changing the wrapper class to its ...

Note that an instance of the Long wrapper class is different from the lower-case long primitive type. Fortunately, Java’s autoboxing feature typically hides the differences between them, although the ...