Lesser-Known Java Keywords and Reserved Words You Still Need to Read
1. assert
Marks a runtime check that throws AssertionError when the expression is false.
assert value > 0 : "value must be positive";
Enable with -ea on the JVM.
2. default
Two contexts:
Interface method – supplies a concrete implementation since Java 8.
Annnotation element – supplies a fallback value.
interface Logger {
def ...
Posted on Tue, 22 Sep 2026 16:04:53 +0000 by dabaR