Fix javadoc & test javadoc in CI (#197)

* test javadoc in CI

* fix javadoc

Author: isaacbrodsky

.github/workflows/tests.yml

@@ -190,7 +190,7 @@ jobs:
 
       - name: Coverage report
         run: |
-          ./gradlew clean test jacocoTestReport coverallsJacoco -Ph3UseDocker=false -Ph3TestSystem=true -Ph3AdditionalArgLine="-Djava.library.path=./src/main/resources/linux-x64/"
+          ./gradlew clean test jacocoTestReport coverallsJacoc javadoc -Ph3UseDocker=false -Ph3TestSystem=true -Ph3AdditionalArgLine="-Djava.library.path=./src/main/resources/linux-x64/"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 

src/main/java/com/uber/h3core/H3Core.java

@@ -778,7 +778,7 @@ public int getResolution(long h3) {
   /**
    * Returns the indexing digit of the index at `res`
    *
-   * @param h3 H3 index.
+   * @param h3Address H3 index.
    * @param res Resolution of the digit, <code>1 &lt;= res &lt;= 15</code>
    * @throws IllegalArgumentException <code>res</code> is not between 0 and 15, inclusive.
    */