Map<Integer, Integer> immutableEmptyMap = Map.of();
- Initializes an empty, immutable
Map<Integer, Integer>
.
Map<Integer, Integer> immutableMap = Map.of(1, 2, 3, 4);
- Initializes an immutable
Map<Integer, Integer>
with two initial key-value entries.
Map<Integer, Integer> immutableMap = Map.ofEntries(Map.entry(1, 2), Map.entry(3, 4));
- Initializes an immutable
Map<Integer, Integer>
with two initial key-value entries.
Map<Integer, Integer> mutableMap = new HashMap<>(immutableMap);
- Initializes a mutable
Map<Integer, Integer>
from an immutable Map<Integer, Integer>
.