1.3.package | ||||
1.3.1. | The package name is a series of elements separated by periods. | |||
1.3.2. | Packages are identified by the package statement. | |||
1.3.3. | Use only alphanumeric characters in package names. | |||
1.3.4. | java.lang package is imported by default and does not need to be imported by an import statement. | |||
1.3.5. | Other than java.lang, every other package you use must be named in an import statement |