Create mapAB2.java

Modify and return the given map as follows: if the keys "a" and "b" are both in the map and have equal values, remove them both.

mapAB2({"a": "aaa", "b": "aaa", "c": "cake"}) → {"c": "cake"}
mapAB2({"a": "aaa", "b": "bbb"}) → {"a": "aaa", "b": "bbb"}
mapAB2({"a": "aaa", "b": "bbb", "c": "aaa"}) → {"a": "aaa", "b": "bbb", "c": "aaa"}

Author: mkprj5

Map-1/mapAB2.java

@@ -0,0 +1,16 @@
+/*
+Modify and return the given map as follows: if the keys "a" and "b" are both in the map and have equal values, remove them both.
+
+mapAB2({"a": "aaa", "b": "aaa", "c": "cake"}) → {"c": "cake"}
+mapAB2({"a": "aaa", "b": "bbb"}) → {"a": "aaa", "b": "bbb"}
+mapAB2({"a": "aaa", "b": "bbb", "c": "aaa"}) → {"a": "aaa", "b": "bbb", "c": "aaa"}
+*/
+public Map<String, String> mapAB2(Map<String, String> map) {
+  String temp1 = map.get("a");
+  String temp2 = map.get("b");
+  if( temp1!= null && temp2!= null && temp1.equals(temp2) )   {
+    map.remove("a");
+    map.remove("b");
+  }
+  return map;
+}