Java 14
| Status | End of Life |
|---|---|
| Release Date | 2020-03-17 |
| EOL Date | 2020-09-15 |
| Latest Version | 14.0.2 |
| Class File Version | 58.0 |
| Unicode Version | 12.1.0 |
| API Changes | Compare to 13 - 12 - 11 - 10 - 9 - 8 - 7 - 6 - 5 - 1.4 - 1.3 - 1.2 - 1.1 - 1.0 |
| Documentation | Release Notes, Language Spec, VM Spec, JavaDoc |
| SCM | git |
New Features
Here are all new features in Java 14 by category. There is also of list of all features of all Java releases.
JVM
- NUMA-Aware Memory Allocation for G1 (JEP 345)
- JFR Event Streaming (JEP 349)
- Helpful NullPointerExceptions (JEP 358)
- Deprecate the Solaris and SPARC Ports (JEP 362)
- Remove the Concurrent Mark Sweep (CMS) Garbage Collector (JEP 363)
- ZGC on macOS (JEP 364)
- ZGC on Windows (JEP 365)
- Deprecate the ParallelScavenge + SerialOld GC Combination (JEP 366)
Language
- Switch Expressions (JEP 361, Java Almanac)
- Records 1. Preview (JEP 359, Java Almanac)
- Text Blocks 2. Preview (JEP 368, Java Almanac)
- Pattern Matching for instanceof 1. Preview (JEP 305)
API
- Non-Volatile Mapped Byte Buffers (JEP 352)
- Remove the Pack200 APIs (JEP 367)
- Foreign-Memory Access API 1. Incubator (JEP 370)
Tools
Should I Upgrade?
Java 14 is end-of-life since 2020-09-15. Unless you have a support contract for this version and a compelling reason to stay on the old version you should definitely upgrade to a newer version with active support.
Please consider upgrading to a current long term support LTS version Java 17 or Java 21 to rely on a maintained platform and get advantage of the latest features and improvements.
Downloads
| Vendor | Product | License | Platform Downloads |
|---|---|---|---|
| AdoptOpenJDK | AdoptOpenJDK | GPLv2+CE | |
| Azul Systems | Zulu Builds of OpenJDK 14 | GPLv2+CE | |
| BellSoft | Liberica | GPLv2+CE | |
| Oracle | Oracle JDK 14 | Commercial | |
| Red Hat | Red Hat build of OpenJDK 14 | GPLv2+CE | |
| SAP | SapMachine 14 | GPLv2+CE |
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);
}
}