Additional Notes
When might you prefer a LinkedHashMap over a HashMap?
Track: Java
Topic: Collections
Focus: Map Interface and HashMap
Java: Map Interface and HashMap
Answer
When you need predictable iteration order.
LinkedHashMap maintains the insertion order, which is useful when the sequence of entries matters. For instance, if you want to preserve the order of products added to a catalog for display.
LinkedHashMap maintains the insertion order, which is useful when the sequence of entries matters. For instance, if you want to preserve the order of products added to a catalog for display.
Topics: Collections Java Map Interface and HashMap