#include in C/C++: #include makes a compiler to copy header 
file code into a C/C++ program.
 Dis Adv:It increase the program size unnecessarly.wastage 
of memory and process time.

import in java : import statement makes JVM to go to the 
java library execute the code there at finally substitute 
the result into java program.JVM physically will not copy 
any code.

 import is efficient than #include....