Optimal Solution

Runtime: 3 ms, faster than 98.33% of Java online submissions for Count Items Matching a Rule.
Memory Usage: 47 MB, less than 92.77% of Java online submissions for Count Items Matching a Rule.

Author: ImranSefat

src/main/java/com/fishercoder/solutions/_1773.java

@@ -5,13 +5,19 @@
 public class _1773 {
     public static class Solution1 {
         public int countMatches(List<List<String>> items, String ruleKey, String ruleValue) {
+            int index =0;
+            if(ruleKey.equals("color")){
+                index =1;
+            }
+            if(ruleKey.equals("name")){
+                index =2;
+            }
+
             int match = 0;
+
+
             for (List<String> item : items) {
-                if (ruleKey.equals("type") && item.get(0).equals(ruleValue)) {
-                    match++;
-                } else if (ruleKey.equals("color") && item.get(1).equals(ruleValue)) {
-                    match++;
-                } else if (ruleKey.equals("name") && item.get(2).equals(ruleValue)) {
+                if(item.get(index).equals(ruleValue)){
                     match++;
                 }
             }