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## Java Collections Cookbooks and Examples

### Relevant Articles: 
- [Guide to WeakHashMap in Java](http://www.baeldung.com/java-weakhashmap)
- [Guide to the Guava BiMap](http://www.baeldung.com/guava-bimap)
- [The Java HashMap Under the Hood](http://www.baeldung.com/java-hashmap)
- [A Guide to LinkedHashMap in Java](http://www.baeldung.com/java-linked-hashmap)
- [A Guide to TreeMap in Java](http://www.baeldung.com/java-treemap)
- [Iterate over a Map in Java](http://www.baeldung.com/java-iterate-map)
- [Java TreeMap vs HashMap](http://www.baeldung.com/java-treemap-vs-hashmap)
- [How to Store Duplicate Keys in a Map in Java?](http://www.baeldung.com/java-map-duplicate-keys)
- [Initialize a HashMap in Java](https://www.baeldung.com/java-initialize-hashmap)
- [Get the Key for a Value from a Java Map](https://www.baeldung.com/java-map-key-from-value)
- [Sort a HashMap in Java](https://www.baeldung.com/java-hashmap-sort)
- [Finding the Highest Value in a Java Map](https://www.baeldung.com/java-find-map-max)
- [Merging Two Maps with Java 8](https://www.baeldung.com/java-merge-maps)
- [How to Check If a Key Exists in a Map](https://www.baeldung.com/java-map-key-exists)