When the code implements Java Function with a concise lambda expression runs, the program prints out 25. That’s all you really need to know about the java.util.function.Function interface. It is a ...

More to the point, Java 8 is no longer supported by Oracle. Java 11 and Java 17 are the new LTS Java releases. The next LTS release, Java 21, is coming in 10 months. If you are using Java 8, you must ...