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  1. Prepare
  2. Data Structures
  3. Trees
  4. Is This a Binary Search Tree?
  5. Discussions

Is This a Binary Search Tree?

  • akashchaudhuri93
     + 1 comment

    Getting ""Error: Could not find or load main class Solution"" error for the below Java 8 code. The same code runs in IntelliJ. 

     boolean checkBST(Node root) {
        return checkBST(root, Long.MIN_VALUE, Long.MAX_VALUE);
    }

    boolean checkBST(Node root, long minVal, long maxVal){
        if (root == null)
            return true;
        if (root.data >= maxVal || root.data <= minVal)
            return false;
        return checkBST(root.left, minVal, root.data) && checkBST(root.right, root.data, maxVal);
    }