It will be a syntax error to place an import declaration inside a class declaration's body or after a class declaration.

Forgetting to include an import declaration for a class used in the Java program typically results in a compilation error containing a message such as "cannot resolve symbol".

The import declarations are used by compiler to identify and locate classes used in Java programs.

All import declarations must appear before the first class declaration in the file.

The statement import.java.util.Scanner is to tell the compiler to load package Scanner from class java.util