Polish Java 94

gavinfish · gavinfish · commit 77e5f4297ab8 · 2017-05-28T13:28:22.000+08:00
diff --git a/java/_094BinaryTreeInorderTraversal.java b/java/_094BinaryTreeInorderTraversal.java
@@ -37,7 +37,7 @@ public List<Integer> inorderTraversal(TreeNode root) {
         List<Integer> result = new ArrayList<>();
         while (root != null || !stack.empty()) {
             while (root != null) {
-                stack.add(root);
+                stack.push(root);
                 root = root.left;
             }
             root = stack.pop();

Original file line number	Diff line number	Diff line change
`@@ -37,7 +37,7 @@ public List<Integer> inorderTraversal(TreeNode root) {`
`37`	`37`	`List<Integer> result = new ArrayList<>();`
`38`	`38`	`while (root != null \|\| !stack.empty()) {`
`39`	`39`	`while (root != null) {`
`40`		`- stack.add(root);`
	`40`	`+ stack.push(root);`
`41`	`41`	`root = root.left;`
`42`	`42`	`}`
`43`	`43`	`root = stack.pop();`