Java foundation - package mechanism and JavaDoc

Tears drop last
year has not been to the cheeks
- you face really big ^ ~ ^

Package mechanism

• In order to better organize the class, Java provides a package mechanism for the difference between the class name of the namespace
• Package bit syntax statement:

package pkg1[. pkg2[. pkg3...]];

• General use company domain name as the package upside down
• In order to be able to use a member of a package, we need to explicitly import the package in Java programs. Use the importstatement to be completed this function

import package1[.package2...].(classname|*);

JavaDoc

• javadoc command is used to generate their own API documentation
• Parameter information:
  • @author: author
  • @version: version number
  • @since: indicates the need to use the earliest version of jdk
  • @param: Parameter name
  • @return: The return value case
  • @throws: case an exception is thrown