fix(display): use array instead of hashmap

src/main/java/eirb/pg203/weather/utils/Pair.java

@@ -0,0 +1,26 @@
+package eirb.pg203.weather.utils;
+
+public class Pair<K, V>{
+    private K key;
+    private V value;
+    public Pair(K key, V value) {
+        this.key = key;
+        this.value = value;
+    }
+
+    public V getValue() {
+        return value;
+    }
+
+    public K getKey() {
+        return key;
+    }
+
+    public void setValue(V value)  {
+        this.value = value;
+    }
+
+    public  void setKey(K key) {
+        this.key = key;
+    }
+}