Java SE 버전별 특징 정리 (1.4, 5, 6, 7, 8, 9)

1. J2SE 1.4 (Merlin, Hopper, Mantis)
   • JAXP API (XML Processing)
   • Security Extended API
   • Logging API
   • Networking
     • IPv6
     • Unconnected/Unbound Socket
     • Connected UDP Socket
     • java.net.URI
   • Java Web Start Product
   • New I/O API (NIO)
     • Non-Blocking I/O
   • JDBC 3.0 API
   • Preferences API
   • Regular Expressions (java.util.regex)
   • GUI feature
   • Assertion
2. J2SE 5 (Tiger)
   • Generics
   • Enhanced for Loop (foreach)
   • Autoboxing/Unboxing
   • Type-safe Enums
   • Varargs
   • Static Import
   • Annotions (Metadata)
   • Formatted IO
   • Concurrent API (java.util.concurrent)
   • Thread Priority Changes
   • Garbage collection ergonomics
   • StringBuilder class
     • StringBuilder is almost always faster than StringBuffer
     • StringBuffer unsynchronized version
3. J2SE 6 (Mustang)
   • JAX-WS (Web Services Client)
   • javax.swing.GroupLayout
   • Password prompting
   • Free disk-space API
   • Classpath wildcards
   • Annotation processing done by javac
   • Solaris Dynamic Tracing (DTrace) Support)
   • jhat QQL (Jmap for heap dump)
   • JConsole plugin API
   • Monitoring and Management for the Java Platform
     • OOME Handling
   • Script Langauge Support
   • JDBC 4.0 API
4. J2SE 7 (Dolphin)
   • Garbage-First Collector
   • Java Programming Language
     • Binary Literals
     • Strings in switch Statements
     • The try-with-resource Statement
     • Catching Multiple Exception Types and Rethrowing Exceptions with Improved Type Checking
     • Underscores in Numeric Literals
     • Type Inference For Generic Instance Creation
     • Improved Compiler Warnings and Errors When Using Non-Reifiable Formal Parameters with Varargs Methods
   • NIO 2.0
   • Fork-Join
   • Dynamic Language Support
   • JDBC 4.1 API
5. J2SE 8
   1.  Remove the Permanent Generation- Define a standard API for Base64 encoding and decoding- Parallel array sorting- Functional interfaces- Stream- Generic type inference improvements
   2.  Nashorn JavaScript Engine
   3.  New date/time
   4.  Lambdas
   5.  Interface improvements (static method, defender methods)
   6.  Provide stronger Password-Based-Encryption (PBE) algorithm implementations in the SunJCE provider
   7.  Small VM

 

출처

http://docs.oracle.com/javase/1.4.2/docs/index.html

http://docs.oracle.com/javase/1.5.0/docs/index.html

http://userpages.umbc.edu/~dhood2/courses/misc/fall04/Java5/java-5-ng.pdf

http://docs.oracle.com/javase/6/docs/index.html

http://docs.oracle.com/javase/7/docs/index.htmlhttp://www.hanb.co.kr/network/view.html?bi_id=1780 NHN 개발자 블로그에 JDK7에 대해서 자세히 잘 적혀 있어서 추가http://helloworld.naver.com/helloworld/1219