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fishercoder1534 · fishercoder1534 · commit 648c5ca5b33f · 2016-10-28T15:46:40.000-07:00
diff --git a/MEDIUM/src/medium/LetterCombinationsofaPhoneNumber.java b/MEDIUM/src/medium/LetterCombinationsofaPhoneNumber.java
@@ -22,7 +22,7 @@ public List<String> letterCombinations(String digits) {
     List<String> combine(String letters, List<String> result){
         List<String> newResult = new ArrayList();
 
-        for(int i = 0; i < letters.length(); i++){
+        for(int i = 0; i < letters.length(); i++){//the order of the two for loops doesn't matter, you could swap them and it still works.
             for(String str : result){
                 newResult.add(str + letters.charAt(i));
             }

Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ public List<String> letterCombinations(String digits) {`
`22`	`22`	`List<String> combine(String letters, List<String> result){`
`23`	`23`	`List<String> newResult = new ArrayList();`
`24`	`24`
`25`		`- for(int i = 0; i < letters.length(); i++){`
	`25`	`+ for(int i = 0; i < letters.length(); i++){//the order of the two for loops doesn't matter, you could swap them and it still works.`
`26`	`26`	`for(String str : result){`
`27`	`27`	`newResult.add(str + letters.charAt(i));`
`28`	`28`	`}`