* "Python SDK":{{site.baseurl}}/sdk/python/sdk-python.html
* "Command line SDK":{{site.baseurl}}/sdk/cli/install.html ("arv")
* "Go SDK":{{site.baseurl}}/sdk/go/index.html
-* "R SDK":{{site.baseurl}}/sdk/go/index.html
+* "R SDK":{{site.baseurl}}/sdk/R/index.html
* "Perl SDK":{{site.baseurl}}/sdk/perl/index.html
* "Ruby SDK":{{site.baseurl}}/sdk/ruby/index.html
-* "Java SDK":{{site.baseurl}}/sdk/java/index.html
+* "Java SDK v2":{{site.baseurl}}/sdk/java-v2/index.html
+* "Java SDK v1":{{site.baseurl}}/sdk/java/index.html
-Many Arvados Workbench pages, under the the *Advanced* tab, provide examples of API and SDK use for accessing the current resource .
+Many Arvados Workbench pages, under the *Advanced* tab, provide examples of API and SDK use for accessing the current resource .