diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/JGitTestUtil.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/JGitTestUtil.java
index 521593ea8..2962e7192 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/JGitTestUtil.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/JGitTestUtil.java
@@ -241,6 +241,17 @@ public abstract class JGitTestUtil {
 		FileUtils.delete(path);
 	}
 
+	/**
+	 * @param db
+	 *            the repository
+	 * @param link
+	 *            the path of the symbolic link to create
+	 * @param target
+	 *            the target of the symbolic link
+	 * @return the path to the symbolic link
+	 * @throws Exception
+	 * @since 4.2
+	 */
 	public static Path writeLink(Repository db, String link,
 			String target) throws Exception {
 		return FileUtils.createSymLink(new File(db.getWorkTree(), link),
diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/LocalDiskRepositoryTestCase.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/LocalDiskRepositoryTestCase.java
index bb5f9efb8..4d713b5e7 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/LocalDiskRepositoryTestCase.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/LocalDiskRepositoryTestCase.java
@@ -91,7 +91,10 @@ public abstract class LocalDiskRepositoryTestCase {
 	/** A fake (but stable) identity for committer fields in the test. */
 	protected PersonIdent committer;
 
-	/** A {@link SystemReader} used to coordinate time, envars, etc. */
+	/**
+	 * A {@link SystemReader} used to coordinate time, envars, etc.
+	 * @since 4.2
+	 */
 	protected MockSystemReader mockSystemReader;
 
 	private final List<Repository> toClose = new ArrayList<Repository>();
diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/MockSystemReader.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/MockSystemReader.java
index 03a2b1a58..28a95569e 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/MockSystemReader.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/MockSystemReader.java
@@ -151,6 +151,7 @@ public class MockSystemReader extends SystemReader {
 	 *
 	 * @param secDelta
 	 *            number of seconds to add to the current time.
+	 * @since 4.2
 	 */
 	public void tick(final int secDelta) {
 		now += secDelta * 1000L;
diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/RepositoryTestCase.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/RepositoryTestCase.java
index 28c61778c..56962e869 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/RepositoryTestCase.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/RepositoryTestCase.java
@@ -108,6 +108,17 @@ public abstract class RepositoryTestCase extends LocalDiskRepositoryTestCase {
 		return JGitTestUtil.writeTrashFile(db, name, data);
 	}
 
+	/**
+	 * Create a symbolic link
+	 *
+	 * @param link
+	 *            the path of the symbolic link to create
+	 * @param target
+	 *            the target of the symbolic link
+	 * @return the path to the symbolic link
+	 * @throws Exception
+	 * @since 4.2
+	 */
 	protected Path writeLink(final String link, final String target)
 			throws Exception {
 		return JGitTestUtil.writeLink(db, link, target);
diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java
index 251e65f55..ac9685d37 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java
@@ -175,6 +175,7 @@ public class TestRepository<R extends Repository> {
 	 *            the MockSystemReader to use for clock and other system
 	 *            operations.
 	 * @throws IOException
+	 * @since 4.2
 	 */
 	public TestRepository(R db, RevWalk rw, MockSystemReader reader)
 			throws IOException {
@@ -203,7 +204,10 @@ public class TestRepository<R extends Repository> {
 		return git;
 	}
 
-	/** @return current date. */
+	/**
+	 * @return current date.
+	 * @since 4.2
+	 */
 	public Date getDate() {
 		return new Date(mockSystemReader.getCurrentTime());
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtils.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtils.java
index 6d0318c02..727ea79cc 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtils.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtils.java
@@ -398,8 +398,10 @@ public class FileUtils {
 	 * Create a symbolic link
 	 *
 	 * @param path
+	 *            the path of the symbolic link to create
 	 * @param target
-	 * @return path to the created link
+	 *            the target of the symbolic link
+	 * @return the path to the symbolic link
 	 * @throws IOException
 	 * @since 4.2
 	 */