转 : Java的版本特性与历史

Java Versions, Features and History

This article gives you a highlight of important features added in every major Java release. Check this article to know about Java history, I am sure you will find it interesting.

Java SE 8

Java 8 was released on 18 March 2014. The code name culture is dropped with Java 8 and so no official code name going forward from Java 8.

New features in Java SE 8

• Lambda Expressions
• Pipelines and Streams
• Date and Time API
• Default Methods
• Type Annotations
• Nashhorn JavaScript Engine
• Concurrent Accumulators
• Parallel operations
• PermGen Error Removed
• TLS SNI

Java Version SE 7

Code named Dolphin and released on July 28, 2011.

New features in Java SE 7

• Strings in switch Statement
• Type Inference for Generic Instance Creation
• Multiple Exception Handling
• Support for Dynamic Languages
• Try with Resources
• Java nio Package
• Binary Literals, underscore in literals
• Diamond Syntax
• Automatic null Handling

Java Version SE 6

Code named Mustang and released on December 11, 2006.

New features in Java SE 6

• Scripting Language Support
• JDBC 4.0 API
• Java Compiler API
• Pluggable Annotations
• Native PKI, Java GSS, Kerberos and LDAP support.
• Integrated Web Services.
• Lot more enhancements.

J2SE Version 5.0

Code named Tiger and released on September 30, 2004.

New features in J2SE 5.0

• Generics
• Enhanced for Loop
• Autoboxing/Unboxing
• Typesafe Enums
• Varargs
• Static Import
• Metadata (Annotations)
• Instrumentation

J2SE Version 1.4

Code named Merlin and released on February 6, 2002 (first release under JCP).

New features in J2SE 1.4

• XML Processing
• Java Print Service
• Logging API
• Java Web Start
• JDBC 3.0 API
• Assertions
• Preferences API
• Chained Exception
• IPv6 Support
• Regular Expressions
• Image I/O API

J2SE Version 1.3

Code named Kestrel and released on May 8, 2000.

New features in J2SE 1.3

• Java Sound
• Jar Indexing
• A huge list of enhancements in almost all the java area.

J2SE Version 1.2

Code named Playground and released on December 8, 1998.

New features in J2SE 1.2

• Collections framework.
• Java String memory map for constants.
• Just In Time (JIT) compiler.
• Jar Signer for signing Java ARchive (JAR) files.
• Policy Tool for granting access to system resources.
• Java Foundation Classes (JFC) which consists of Swing 1.0, Drag and Drop, and Java 2D class libraries.
• Java Plug-in
• Scrollable result sets, BLOB, CLOB, batch update, user-defined types in JDBC.
• Audio support in Applets.

JDK Version 1.1

Released on February 19, 1997

New features in JDK 1.1

• JDBC (Java Database Connectivity)
• Inner Classes
• Java Beans
• RMI (Remote Method Invocation)
• Reflection (introspection only)

JDK Version 1.0

Codenamed Oak and released on January 23, 1996.

Wishing you a happy new year!

This Core Java tutorial was added on 01/01/2012.

 

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