Update src/main/java/com/thealgorithms/strings/LetterCombinationsOfPhoneNumber.java

samuelfac · vil02 · web-flow · commit e1a428c0e0a8 · 2024-06-12T17:14:57.000+02:00
Co-authored-by: Piotr Idzik &lt;65706193+vil02@users.noreply.github.com&gt;
diff --git a/src/main/java/com/thealgorithms/strings/LetterCombinationsOfPhoneNumber.java b/src/main/java/com/thealgorithms/strings/LetterCombinationsOfPhoneNumber.java
@@ -21,7 +21,7 @@ private LetterCombinationsOfPhoneNumber() {
      * @return a list of possible letter combinations
      */
     public static List<String> getCombinations(int[] numbers) {
-        if (numbers == null || numbers.length == 0) {
+        if (numbers == null) {
             return List.of("");
         }
         return generateCombinations(numbers, 0, new StringBuilder());

Original file line number	Diff line number	Diff line change
`@@ -21,7 +21,7 @@ private LetterCombinationsOfPhoneNumber() {`
`21`	`21`	`* @return a list of possible letter combinations`
`22`	`22`	`*/`
`23`	`23`	`public static List<String> getCombinations(int[] numbers) {`
`24`		`- if (numbers == null \|\| numbers.length == 0) {`
	`24`	`+ if (numbers == null) {`
`25`	`25`	`return List.of("");`
`26`	`26`	`}`
`27`	`27`	`return generateCombinations(numbers, 0, new StringBuilder());`