src/java.desktop/share/classes/javax/swing/plaf/basic/BasicTreeUI.java

rev 10536 : 8055723[client]: Replace concat String to append in StringBuilder parameters
Contributed-by: Otavio Santana <otaviojava@java.net>

*** 3616,3627 ****
                  for (TreePath path : displayPaths) {
                      Object node = path.getLastPathComponent();
                      boolean leaf = model.isLeaf(node);
                      String label = getDisplayString(path, true, leaf);
  
!                     plainStr.append(label + "\n");
!                     htmlStr.append("  <li>" + label + "\n");
                  }
  
                  // remove the last newline
                  plainStr.deleteCharAt(plainStr.length() - 1);
                  htmlStr.append("</ul>\n</body>\n</html>");
--- 3616,3627 ----
                  for (TreePath path : displayPaths) {
                      Object node = path.getLastPathComponent();
                      boolean leaf = model.isLeaf(node);
                      String label = getDisplayString(path, true, leaf);
  
!                     plainStr.append(label).append('\n');
!                     htmlStr.append("  <li>").append(label).append('\n');
                  }
  
                  // remove the last newline
                  plainStr.deleteCharAt(plainStr.length() - 1);
                  htmlStr.append("</ul>\n</body>\n</html>");