Create 609. Find Duplicate File in System

Author: rajatag03

609. Find Duplicate File in System

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+class Solution {
+    public List<List<String>> findDuplicate(String[] paths) {
+        Map<String,List<String>> store = new HashMap<>();
+        
+        for(String path:paths){
+            String[] arr = path.split(" ");
+            String directory = arr[0];
+            
+            for(int i=1;i<arr.length;i++){
+                //fileName(content)
+                String fileName = arr[i].substring(0,arr[i].indexOf("("));
+                String content = arr[i].substring(arr[i].indexOf("(")+1,arr[i].length()-1);
+                List<String> filepaths = store.getOrDefault(content,new ArrayList<>());
+                filepaths.add(directory +"/"+fileName);
+                store.put(content,filepaths);
+            }
+        }
+        
+        store.entrySet().removeIf(entry -> entry.getValue().size()<2);
+        
+        return new ArrayList<>(store.values());
+    }
+}