Chapter 14. Command Line Flags
In the previous chapter, we looked at several security changes to the JDK. Java 9's security enhancements provide developers with the ability to write and maintain applications that implement security. Specifically, we covered datagram transport layer security, Keystores, improving security application performance, the TLS application-layer protocol negotiation extension, leveraging CPU instructions for GHASH and RSA, OCSP stapling for TLS, and DRBG-based SecureRandom implementations.
In this chapter, we will explore several changes to the Java 9 platform with the common theme of command-line flags. Specifically, we will cover the following concepts:
- Unified JVM logging
- Compiler control
- Diagnostic commands
- Heap profiling agent
- Removing your JHAT
- Command-line flag argument validation
- Compiling for older platform versions
