Key features

Let's look at some of the key features of Java 9 in brief, which will change Java software development:

• Java Platform Module System (JPMS)
• JShell (REPL)—The Java Shell
• JLink—Module Linker
• Multi-Release JAR Files
• Stream API enhancements
• Stack—Walking API
• Immutable collections with convenient factory methods
• Support of HTTP 2.0