Java 14
New Features
JVM
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NUMA-Aware Memory Allocation for G1 (JEP 345)
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JFR Event Streaming (JEP 349)
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Helpful NullPointerExceptions (JEP 358)
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Deprecate the Solaris and SPARC Ports (JEP 362)
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Remove the Concurrent Mark Sweep (CMS) Garbage Collector (JEP 363)
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ZGC on macOS (JEP 364)
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ZGC on Windows (JEP 365)
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Deprecate the ParallelScavenge + SerialOld GC Combination (JEP 366)
Language
API
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Non-Volatile Mapped Byte Buffers (JEP 352)
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Remove the Pack200 APIs (JEP 367)
Tools
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Remove the Pack200 Tools (JEP 367)
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Packaging Tool (Incubator) (JEP 343)
Downloads
Sandbox
Instantly compile and run Java 14 snippets without a local Java installation.
import java.time.DayOfWeek;
import java.time.LocalDate;
public class Java14 {
public static void main(String[] args) {
String when = switch(DayOfWeek.from(LocalDate.now())) {
case MONDAY:
yield "at the beginning of the week";
case TUESDAY:
case WEDNESDAY:
case THURSDAY:
yield "in the middle of the week";
case FRIDAY:
yield "at the end of the week";
case SATURDAY:
case SUNDAY:
yield "at the weekend";
};
System.out.printf("Java 14 %s!", when);
}
}
