diff --git a/E_1790_CheckifOneStringSwapCanMakeStringsEqual.txt b/E_1790_CheckifOneStringSwapCanMakeStringsEqual.txt
new file mode 100644
index 0000000..00b158c
--- /dev/null
+++ b/E_1790_CheckifOneStringSwapCanMakeStringsEqual.txt
@@ -0,0 +1,21 @@
+class Solution {
+    public boolean areAlmostEqual(String s1, String s2) {
+        if(s1.length()!=s2.length())
+            return false;
+        int mis=0;
+        int[] chars1 = new int[26];
+        int[] chars2 = new int[26];
+
+        for(int i=0; i<s1.length(); i++){
+            if(s1.charAt(i)!=s2.charAt(i))
+                mis++;
+            chars1[s1.charAt(i)-'a']++;
+            chars2[s2.charAt(i)-'a']++;
+        }
+        for(int i=0; i<26; i++){
+            if(chars1[i]!=chars2[i])
+                return false;
+        }
+        return mis > 2? false : true;
+    }
+}
\ No newline at end of file