Java features from 1.1 to 1.4

Java Versions :

  • The first alpha and beta Java public releases in 1995 had highly unstable APIs.

  • The first version was released on January 23, 1996 and called Oak.

  • The first stable version, JDK 1.0.2, is called Java.

  • Then after version by version new features introduced and java become most popular programming language of the world.

Features added in Java1.1:

This version was released in 1997, the major additions in this version are:

  • Extensive retooling of the AWT event model.

  • Inner classes added to the language.

  • Java Beans.

  • Java Database Connectivity API(JDBC).

  • Reflection API.

  • Just In Time(JIT) compiler for windows.

  • UNICODE Support.

Features added in Java1.2:

The codename of this version is Playground. This version was released in 1998 includes the following features:

  • strictfp keyword .

  • Swing graphical API was integrated into the core classes.

  • Sun's JVM was equipped with a JIT compiler for the first time.

  • Collection Framework.

Features added in Java1.3:

The codename of this version is Kestrel. This version was released in 2000 includes the following features:

  • HotSpot JVM included.

  • RMI was modified to support optional compatibility with CORBA.

  • Java Naming and Directory Interface (JNDI) included in core libraries .

  • JavaSound.

  • Java Platform Debugger Architecture (JPDA).

Features added in Java1.4:

The codename of this version is Merlin. This version was released in 2002 includes the following features:

  • assert keyword.

  • Exception chaining allows an exception to encapsulate original lower-level exception.

  • Logging API .

  • Image I/O API for reading and writing images in formats like JPEG and PNG.

  • Integrated XML parser and XSLT processor (JAXP) .

  • Integrated security and cryptography extensions .

Next topic is java-features-jdk-5


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