Show me the code! – By Davanum Srinivas

New Java features include:

• NIO2 asynchronous I/O, JSR 203
• New java.util.concurrent features including the fork/join framework
• Better support for dynamic languages with the implementation of Invoke Dynamic, JSR 292
• Small language changes (Project Coin)

IBM is introducing:

• Balanced GC policy targeting short and consistent pause times on large heaps
• More detailed and efficient format for verbose GC
• Significant diagnostic improvements, including enhancements to javacore.txt contents
• Shared classes cache supports additional content, better diagnostics, a programmable interface and improved control over file permissions and displaying cache contents
• Real-time, incremental GC policy included for evaluation
• Significant improvements in throughput, footprint and startup performance
• Exploitation of Power7 and z196 hardware
• Closer alignment with OpenJDK

IBM DeveloperWorks: https://www.ibm.com/developerworks/java/jdk/