C# to Java - Dictionaries?

Question

Is it possible in Java to make a Dictionary with the items already declared inside it? Just like the below C# code:

   Dictionary d = new          


        

Answer 1

If you use the Guava library, you can use its ImmutableMap class, either by itself (examples 1 and 2), or as an initializer for a HashMap (examples 3 and 4):

Map map1 = ImmutableMap. builder()
    .put("cat", 2)
    .put("dog", 1)
    .put("llama", 0)
    .put("iguana", -1)
    .build();
Map map2 = ImmutableMap.of(
    "cat", 2,
    "dog", 1,
    "llama", 0,
    "iguana", -1
);
Map map3 = Maps.newHashMap(
    ImmutableMap. builder()
    .put("cat", 2)
    .put("dog", 1)
    .put("llama", 0)
    .put("iguana", -1)
    .build()
);
Map map4 = Maps.newHashMap( ImmutableMap.of(
    "cat", 2,
    "dog", 1,
    "llama", 0,
    "iguana", -1)
);