<dependency>
  <groupId>com.oracle.database.jdbc</groupId>
  <artifactId>ojdbc8</artifactId>
  <version>18.15.0.0</version>
</dependency>

implementation 'com.oracle.database.jdbc:ojdbc8:18.15.0.0'

implementation("com.oracle.database.jdbc:ojdbc8:18.15.0.0")

libraryDependencies += "com.oracle.database.jdbc" % "ojdbc8" % "18.15.0.0"

@Grapes(
  @Grab(group='com.oracle.database.jdbc', module='ojdbc8', version='18.15.0.0')
)

<dependency org="com.oracle.database.jdbc" name="ojdbc8" rev="18.15.0.0" />

[com.oracle.database.jdbc/ojdbc8 "18.15.0.0"]

'com.oracle.database.jdbc:ojdbc8:jar:18.15.0.0'