It’s easy to remove duplicates from a list in Java. There are a variety of functions in Java that simplify that process. Finding duplicates in a Java list? That’s actually a bit more complicated, but ...

HashMap vs. Hashtable similarities Both the Hashtable and HashMap implement the Map interface and both share the same set of methods used to add, remove and manipulate elements of a key-value, ...

I have an arraylist of approximately 9000 strings. Most of these are duplicates. I need to figure out a way to count each distinct item, without prior knowledge of what is in the arraylist, and ...

Get started modeling entities and relationships for Java data persistence, using an example application based on Java 21 with Hibernate 6.3.