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Solution.java:88: error: cannot find symbol
System.out.println( (tree.checkBST(root)) ? "Yes" : "No" );
^
symbol: method checkBST(Node)
location: variable tree of type Tree
1 error
Though Tree word/type is no where used in code.
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Trees: Is This a Binary Search Tree?
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Gives Error:
Though Tree word/type is no where used in code.