1. Brief Introduction of Java History
1.1. Birth of Java
1.1.1. Java 1.0
You know when Java got birth - it was in 1995 which was a Beta version, but the first stable version was released on Jan 23 1996 which was called as OAK
DYK
Private and Protected keywords could be used together to create yet another form of protection that would restrict access to methods or variables solely to subclasses of a given class. Though they removed in 1.0.2
1.1.2. Java 1.1
During the Feb 1997, JDK 1.1 (no code name) got released and came up with some new additions such as
• AWT
• Inner Classes
• JavaBeans
• JDBC
• RMI
• Reflection (Introspection)
• JIT
DYK
Java was originally developed by James Gosling at Sun Microsystems
1.1.3. Java 1.2 aka J2SE 1.2
From 1.2 (Dec 1998) version they started version naming J2SE (Java 2 Platform, Standard Edition) in order to differentiate the other products such as J2EE or J2ME.
Code Name: PLAYGROUND
Major additions:
• strictfp keyword
• Swing API
• Collections
• CORBA
DYK
James Gosling, Mike Sheridan, and Patrick Naughton initiated the Java language project in June 1991
1.1.4. J2SE 1.3
In the new Millennium they released the J2SE 1.3 (in may 2000) and with some advanced adding to the editions.
Code Name: KESTREL (it's a type of bird)
Major additions:
• Java Sound
• RMI - CORBA Integration
• JNDI and many more...
DYK
Java Specialty is "Write Once, Run Anywhere" (WORA), providing no-cost run-times on popular platforms
1.1.5. J2SE 1.4
In 2002 they come up with new features where it has some major library changes included in this version.
Code Name: MERLIN
Major additions:
• Assert Keyword
• Regular expressions
• Logging API
• Image IO API
• XML Parsers
• Preferences API
DYK
Oracle Corporation is the current owner of the official implementation of the Java SE platform, following their acquisition of Sun Microsystems on January 27, 2010
1.1.6. J2SE 1.5 aka J2SE5
In order to maintain more security they changed the version numbering to J2SE 5 during Sept 2004. It has come up with many major additions to the version.
Code Name: TIGER
Major additions:
• Generics
• Meta Data aka Annotations
• Auto Boxing
• Enumerations
• Varargs and for each
• Static Imports
• SWING framework
DYK
Sun sued in 1997, and in 2001 won a settlement of US$20 million, as well as a court order enforcing the terms of the license from Sun. As a result, Microsoft no longer ships Windows with Java.
1.1.7. J2SE6
Throughout the world still all major undergoing projects using this J2SE6 which was released end of the year 2006.
Code Name: MUSTANG
Major additions:
• JDBC 4
• WebService Improvements
• Java Compiler API
• SwingWorker API
• Performance improvements to many Java Lib and Swing
• Script Lang Support
DYK
Java 6 reached the end of its supported life in February 2013.
1.1.8. J2SE7
This is the first version from Oracle after SUN Microsystems merged into Oracle. Mid of the 2011 they come up with this Java7
Code Name: DOLPHIN
Major additions:
• Strings in switch
• Automatic resource management in try-statement
• Improved type inference for generic instance creation, aka the diamond operator <>
• Simplified varargs method declaration
• Binary integer literals
• Allowing underscores in numeric literals
• Catching multiple exception types and rethrowing exceptions with improved type checking
• TimSort
DYK
Java is call by value
1.1.9. Java SE8 aka Java8
This is the current stable version of Java which is released on 18th March 2014
Code Name: SPIDER (not officially but among developers!)
Major additions:
• Lambda Expressions under Project Lambda
• Project Nashorn - a JavaScript Runtime code within application
• java.util.Stream API
• Date and Time API
• many more...
DYK
Java 8 is not supported on Windows XP
1.1. Birth of Java
1.1.1. Java 1.0
You know when Java got birth - it was in 1995 which was a Beta version, but the first stable version was released on Jan 23 1996 which was called as OAK
DYK
Private and Protected keywords could be used together to create yet another form of protection that would restrict access to methods or variables solely to subclasses of a given class. Though they removed in 1.0.2
1.1.2. Java 1.1
During the Feb 1997, JDK 1.1 (no code name) got released and came up with some new additions such as
• AWT
• Inner Classes
• JavaBeans
• JDBC
• RMI
• Reflection (Introspection)
• JIT
DYK
Java was originally developed by James Gosling at Sun Microsystems
1.1.3. Java 1.2 aka J2SE 1.2
From 1.2 (Dec 1998) version they started version naming J2SE (Java 2 Platform, Standard Edition) in order to differentiate the other products such as J2EE or J2ME.
Code Name: PLAYGROUND
Major additions:
• strictfp keyword
• Swing API
• Collections
• CORBA
DYK
James Gosling, Mike Sheridan, and Patrick Naughton initiated the Java language project in June 1991
1.1.4. J2SE 1.3
In the new Millennium they released the J2SE 1.3 (in may 2000) and with some advanced adding to the editions.
Code Name: KESTREL (it's a type of bird)
Major additions:
• Java Sound
• RMI - CORBA Integration
• JNDI and many more...
DYK
Java Specialty is "Write Once, Run Anywhere" (WORA), providing no-cost run-times on popular platforms
1.1.5. J2SE 1.4
In 2002 they come up with new features where it has some major library changes included in this version.
Code Name: MERLIN
Major additions:
• Assert Keyword
• Regular expressions
• Logging API
• Image IO API
• XML Parsers
• Preferences API
DYK
Oracle Corporation is the current owner of the official implementation of the Java SE platform, following their acquisition of Sun Microsystems on January 27, 2010
1.1.6. J2SE 1.5 aka J2SE5
In order to maintain more security they changed the version numbering to J2SE 5 during Sept 2004. It has come up with many major additions to the version.
Code Name: TIGER
Major additions:
• Generics
• Meta Data aka Annotations
• Auto Boxing
• Enumerations
• Varargs and for each
• Static Imports
• SWING framework
DYK
Sun sued in 1997, and in 2001 won a settlement of US$20 million, as well as a court order enforcing the terms of the license from Sun. As a result, Microsoft no longer ships Windows with Java.
1.1.7. J2SE6
Throughout the world still all major undergoing projects using this J2SE6 which was released end of the year 2006.
Code Name: MUSTANG
Major additions:
• JDBC 4
• WebService Improvements
• Java Compiler API
• SwingWorker API
• Performance improvements to many Java Lib and Swing
• Script Lang Support
DYK
Java 6 reached the end of its supported life in February 2013.
1.1.8. J2SE7
This is the first version from Oracle after SUN Microsystems merged into Oracle. Mid of the 2011 they come up with this Java7
Code Name: DOLPHIN
Major additions:
• Strings in switch
• Automatic resource management in try-statement
• Improved type inference for generic instance creation, aka the diamond operator <>
• Simplified varargs method declaration
• Binary integer literals
• Allowing underscores in numeric literals
• Catching multiple exception types and rethrowing exceptions with improved type checking
• TimSort
DYK
Java is call by value
1.1.9. Java SE8 aka Java8
This is the current stable version of Java which is released on 18th March 2014
Code Name: SPIDER (not officially but among developers!)
Major additions:
• Lambda Expressions under Project Lambda
• Project Nashorn - a JavaScript Runtime code within application
• java.util.Stream API
• Date and Time API
• many more...
DYK
Java 8 is not supported on Windows XP
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