Java does not have goto

TreePrintGoto.java

/**
 * This is from Donald Knuth's famous paper: Structured Programming with Goto.
 * You are printing a binary tree using the Goto statement. The traversal is inorder.
 */
class TreePrintGoto {
  private final static class Node {
    Node left, right;
    final int key;
    Node(int key) {
      this.key = key;
    }
    static Node makeTree() {
      Node root = new Node(1);
      root.left = new Node(2);
      root.right = new Node(3);
      root.left.left = new Node(4);
      root.right.right = new Node(5);
      return root;
    }
  }
  static void printTree(Node r) {
  l1: if (r != null) {
      printTree(r.left);
      System.out.print(r.key + " ");
      r = r.right;
      continue l1;
    }
  }
  static void printTreeR(Node r) {
    if (r != null) {
      printTreeR(r.left);
      System.out.print(r.key + " ");
      printTreeR(r.right);
    }
  }
  public static void main(String[] args) { 
    Node root = Node.makeTree();
    printTreeR(root);
    System.out.println();
    printTree(root);
    System.out.println();
  }
}