What is Java package and which package is imported by default?

Question

There are several cases when an eNodeB is configured with different values than its neighbor. Default paging cycle may be one of those parameters. I want to know, in which different scenarios each value of the default paging cycle is used ?

Answer 1

A Package can be defined as a grouping of related types(classes, interfaces, enumerations and annotations ) providing access protection and name space management.

which package is imported by default?
No. It is by default loaded internally by the JVM. The java.lang package is always imported by default.