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Tuesday, August 18, 2015

Java Interview Guide

We know that Java interviews are hard nut to crack. If you know java but find it difficult to appreciate, or you always end up in surprises with core java questions or if you wonder how a java intrrview really looks like, then this course is for you.
Java Interview Guide : Cracking the First Round -video course, is to prepare you for the initial technical rounds for any Java Interview. This is not a Question-Answer guide or a learning material, rather it is a composition of questions and concepts from real interview experiences of the instructor. It is rather a real-walk through to how a typical java interview can be. If you are a person who wants to know how a Java interview looks like, then this video is for you.! It details questions about core java concepts, collections, exception handling, equals and hashcode() etc. and at last some focus on non-java part.

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Monday, August 17, 2015

Canva - A Design Tool



One of the wonderful design tools.

Canva is a free graphic-design tool website. It has an easy to use drag-and-drop interface and provides access to over a million photographs, graphics, and fonts. It is used by non-designers as well as professionals.The tools can be used for both web and print media design and graphics.

https://www.canva.com/

Tuesday, August 4, 2015

Java Versions and Features

OVERVIEW OF VARIOUS JAVA VERSIONS AND THEIR FEATURES


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

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.