Initial Checkin

HashMapTest1.java

@@ -0,0 +1,20 @@
+import java.util.*;
+
+public class HashMapTest1 {
+    public static void main(String []args) {
+        String string1= "ABFED";
+        String string2= "AFBHI";
+
+        HashMap<Character,Boolean> hm1 = new HashMap<>();
+        
+        for (char theChar : string1.toCharArray()){
+            hm1.put(theChar ,false);
+        }
+
+        for (char theChar : string2.toCharArray()){
+            if (hm1.containsKey(theChar)) {
+                System.out.print(theChar);
+            }
+        }
+    }
+}