primitive maps final

libraries/src/main/java/com/baeldung/primitives/PrimitiveMaps.java

@@ -21,37 +21,33 @@ public class PrimitiveMaps {
     private static void fastutilMap() {
         Int2BooleanMap int2BooleanMap = new Int2BooleanOpenHashMap();
         int2BooleanMap.put(1, true);
+        int2BooleanMap.put(7, false);
+        int2BooleanMap.put(4, true);
+
+        boolean value = int2BooleanMap.get(1);
 
         Int2BooleanSortedMap int2BooleanSorted = Int2BooleanSortedMaps.EMPTY_MAP;
-        int2BooleanSorted.putIfAbsent(7, true);
-        int2BooleanSorted.putIfAbsent(1, true);
-        int2BooleanSorted.putIfAbsent(4, true);
     }
 
     private static void coltMap() {
         AbstractIntDoubleMap map = new OpenIntDoubleHashMap();
         map.put(1, 4.5);
+        double value = map.get(1);
     }
 
     private static void eclipseCollectionsMap() {
-        MutableObjectDoubleMap<String> doubleMap = ObjectDoubleMaps.mutable.empty();
-        doubleMap.put("1", 1.0d);
-        doubleMap.put("2", 2.0d);
-
-        MutableObjectIntMap<String> booleanMap = ObjectIntMaps.mutable.empty();
-        booleanMap.put("ok", 1);
-
         MutableIntIntMap mutableIntIntMap = IntIntMaps.mutable.empty();
         mutableIntIntMap.addToValue(1, 1);
 
         ImmutableIntIntMap immutableIntIntMap = IntIntMaps.immutable.empty();
 
-        MutableObjectIntMap<String> intObject = ObjectIntMaps.mutable.empty();
-        intObject.addToValue("price", 2);
+        MutableObjectDoubleMap<String> dObject = ObjectDoubleMaps.mutable.empty();
+        dObject.addToValue("price", 150.5);
+        dObject.addToValue("quality", 4.4);
+        dObject.addToValue("stability", 0.8);
     }
 
     private static void troveMap() {
-
         double[] doubles = new double[] {1.2, 4.5, 0.3};
         int[] ints = new int[] {1, 4, 0};
 
@@ -60,7 +56,5 @@ public class PrimitiveMaps {
         doubleIntMap.adjustValue(1.2, 1);
         doubleIntMap.adjustValue(4.5, 4);
         doubleIntMap.adjustValue(0.3, 0);
-
-        System.out.println(doubleIntMap);
     }
 }