Commit8287062

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edit 145

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Original file line number	Diff line number	Diff line change
`@@ -24,8 +24,8 @@ public class _145 {`
`24`	`24`	`/*A tricky one: Modify the code for pre-order traversal so that it becomes root->right->left, and then reverse the result to get left->right->root./`
`25`	`25`	`publicstaticList<Integer>postorderTraversal_iterative(TreeNoderoot) {`
`26`	`26`	`List<Integer>result =newArrayList();`
`27`		`-Stack<TreeNode>stack =newStack();`
`28`	`27`	`if(root ==null)returnresult;`
	`28`	`+Stack<TreeNode>stack =newStack();`
`29`	`29`	`stack.push(root);`
`30`	`30`	`while(!stack.isEmpty()){`
`31`	`31`	`root =stack.pop();`

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