https://dzone.com/articles/new-java-7-language-features

• 동적 타이핑 언어의 구현 지원 (InvokeDynamic)
• 사소한 언어 개선 (링크 참고할 것)
  • Strings in switch
  • Binary integral literals and underscores in numeric literals
  • Multi-catch and more precise rethrow
  • Improved Type Inference for Generic Instance Creation (diamond)
  • try-with-resources statement
  • Simplified Varargs Method Invocation
• IO
  • NIO.2
  • SCTP
• 보안
  • ECC 암호화 알고리즘
• 기타
  • ForkJoinpool
  • Phaser: synchronization primitive
  • TransferQueue
  • ThreadLocalRandom
  • 자동 자원 반환