National Coffee Day 2025: Where to get your freebies, deals & discounts

Here's your caffeinated roundup of all of the freebies, bogo offers, and discounts you can score this National Coffee Day ...
DATAQUEST

Java at 30: Oracle leaders on why Java 25 matters for the next decade

Interview: Java 25 marks 30 years of evolution, balancing simplicity with enterprise power, boosting AI readiness and ...

Strong Java LTS arrives with the release of 25

Oracle has released JDK (Java Development Kit) 25, the first long term support (LTS) version since JDK 21 two years ago. New ...

Is Cola Education Legitimate? Do You Really Understand HashMap?

But how many developers understand how HashMap works internally? A few days ago, I read a lot of the source code for java.util.HashMap (Java 7 followed by Java 8) to gain a deeper understanding of ...