Some improvements :begineer:

Author: Jatin-8898

Easy/FactorialTrailingZero.java

@@ -2,7 +2,7 @@
 
 import java.util.*;
 
-class IsomorphicString {
+class IsomorphicStrings {
     public boolean isIsomorphic(String s, String t) {
 
         // Base code

Easy/FindNoDisappearedInArr.java renamed to Easy/FindAllNumbersDisappearedInAnArray.java

@@ -1,4 +1,4 @@
-public class MaxDistanceToClosest {
+public class MaximizeDistanceToClosestPerson {
 	public static void main(String[] args) {
 		int a[]  = {0,0,1,0,0,0,0,0,0,0};	
 		//int a[]  = {0,0,1,0,0,0,0,0,1,0};	

Easy/GCDofStrings.java renamed to Easy/GreatestCommonDivisorOfStrings.java

@@ -0,0 +1,23 @@
+class Solution {
+    public boolean rotateString(String A, String B) {
+        
+        if(areRotation(A,B))
+			return true;
+		else
+			return false;
+	}
+    
+	private static boolean areRotation(String s1, String s2){
+
+		/*Check if the length is equal or not*/
+		int len1 = s1.length();
+		int len2 = s2.length();
+
+		if(len1 != len2)
+			return false;
+
+		//Concat s1 with s1 ie temp
+		//if s2 is subString of temp then its Rotation of s1
+		return((s1+s1).indexOf(s2) != -1);
+    }
+}