What is the memory usage of a LinkedHashMap in Java?
An example of an AI chatbot conversation about memory usage in LinkedHashMap.
What is the memory usage of a LinkedHashMap in Java?
The memory usage of a LinkedHashMap depends on the number of entries and the load factor. Each entry typically consumes more memory than a standard HashMap due to the additional linked list for maintaining order.
Can you explain how the load factor affects memory usage?
Sure! The load factor determines when to increase the capacity of the map. A higher load factor means less memory usage but can lead to more collisions, while a lower load factor uses more memory but improves access time.
What is the default load factor for a LinkedHashMap?
The default load factor for a LinkedHashMap is 0.75, which offers a good trade-off between time and space cost.
How does the initial capacity impact performance?
Setting an appropriate initial capacity can reduce the number of rehashing operations, improving performance, especially when you know the expected number of entries.
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