This is often where candidates struggle most. You must understand the difference between (like filter() , map() , sorted() ) and terminal operations (like collect() , forEach() , reduce() ). Remember: streams are lazy and cannot be reused once a terminal operation is called. 3. Default and Static Methods
The old java.util.Date is deprecated in favor of java.time . Focus on LocalDate , LocalTime , ZonedDateTime , and Duration . Verified Tips for Test Day ikm java 8 test verified
IKM loves "trick" questions involving scope, shadowing, or slightly incorrect syntax that leads to a compilation error rather than a runtime result. This is often where candidates struggle most