write this code below as algorithim to determine the leaf node reclusively ?  public static void printLeafNodes(TreeNode node) {         // base case         if (node == null) {             return;         }         if (node.left == null && node.right == null) {             System.out.printf("%d ", node.value);         }         printLeafNodes(node.left);         printLeafNodes(node.right);     }

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Methods of StringBuilder class

The StringBuilder class can be used to create mutable strings. The methods defined in the StringBuilder class are widely used to manipulate and concatenate strings. It is a non-synchronized class which has public methods that can be accessed by multiple threads. It is not thread-safe.