Add Java test file

sample_files/after.java

@@ -0,0 +1,13 @@
+class Foo {
+  /**
+   * Hello world.
+   *
+   * <p>More stuff here.</p>
+   *
+   * @param stuff {@code String} foo bar
+   * @returns {@code int}
+   */
+  protected static int blah() {
+    throw new Exception("before");
+  }
+}

sample_files/before.java

@@ -0,0 +1,13 @@
+class Foo {
+  /**
+   * Hello world.
+   *
+   * <p>More stuff here.</p>
+   *
+   * @param stuff {@code String} foo bar
+   * @returns {@code Other}
+   */
+  public static Other blah() {
+    throw new Exception("before");
+  }
+}