Update zip-two-lists.md

Author: davidanukam

snippets/java/array-manipulation/zip-two-lists.md

@@ -10,22 +10,17 @@ import java.util.*; // Importing utility classes for List and Arrays
 import java.util.stream.IntStream; // Importing IntStream for range and mapping
 import java.util.stream.Collectors; // Importing Collectors for collecting stream results
 
-public class Main {
-    // Generic method to zip two lists into a list of paired elements
-    public static <A, B> List<List<Object>> zip(List<A> list1, List<B> list2) {
-        // Create pairs by iterating through the indices of both lists
-        return IntStream.range(0, Math.min(list1.size(), list2.size())) // Limit the range to the smaller list
-                .mapToObj(i -> Arrays.asList(list1.get(i), list2.get(i))) // Pair elements from both lists at index i
-                .collect(Collectors.toList()); // Collect the pairs into a List
-    }
+public <A, B> List<List<Object>> zip(List<A> list1, List<B> list2) {
+    // Create pairs by iterating through the indices of both lists
+    return IntStream.range(0, Math.min(list1.size(), list2.size())) // Limit the range to the smaller list
+            .mapToObj(i -> Arrays.asList(list1.get(i), list2.get(i))) // Pair elements from both lists at index i
+            .collect(Collectors.toList()); // Collect the pairs into a List
+}
 
-    public static void main(String[] args) {
-        // Usage:
-        List<String> arr1 = Arrays.asList("a", "b", "c");
-        List<Integer> arr2 = Arrays.asList(1, 2, 3);
-        List<List<Object>> zipped = zip(arr1, arr2);
+// Usage:
+List<String> arr1 = Arrays.asList("a", "b", "c");
+List<Integer> arr2 = Arrays.asList(1, 2, 3);
+List<List<Object>> zipped = zip(arr1, arr2);
 
-        System.out.println(zipped); // Output: [[a, 1], [b, 2], [c, 3]]
-    }
-}
+System.out.println(zipped); // Output: [[a, 1], [b, 2], [c, 3]]
 ```