java – Correct installation of Java 8 together with Java 7
The problem is that Java 8 installs a lot of things you don’t really need: \ windows \ system32 contains …
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java – Stream of boolean values, is that true?
No, the reduction does not support the short circuit evaluation. The reason is that reduce it just gets an arbitrary …
java – How to get UTC + 0 date in Java 8?
tl; dr Instant.now() Java.time The old and troublesome date-time classes bundled with early versions of Java have been supplanted by …
java – Error when using LogManager (l4j2) with Java 8 (Java.lang.reflect.AnnotatedElement cannot be fixed)
When using JDK 8 and an IDE (or any other code processing tool / framework) with its own compiler, such …
HashMap for HashMap using Stream / Map-Reduce / Collector
Here are some variations on Answer from Sotirios Delimanolis , which was good enough to start with (+1). Consider the …