read all this just before attending any interview

http://javarevisited.blogspot.in/2013/03/how-to-create-immutable-class-object-java-example-tutorial.html


http://tutorials.jenkov.com/java-nio/nio-vs-io.html#main-differences-between-java-nio-and-io

http://javarevisited.blogspot.in/2010/10/why-string-is-immutable-in-java.html

http://javarevisited.blogspot.sg/2012/02/difference-between-instance-class-and.html

http://javarevisited.blogspot.in/2011/10/override-hashcode-in-java-example.html

http://javarevisited.blogspot.in/2011/11/static-keyword-method-variable-java.html

http://javarevisited.blogspot.sg/2012/02/why-non-static-variable-cannot-be.html

http://www.javaranch.com/journal/2003/04/immutable.html

http://www.instanceofjava.com/2015/05/10-tricky-core-java-interview-coding.html
http://www.journaldev.com/1321/java-string-interview-questions-and-answers

http://www.javabeat.net/introduction-to-eclipse-plugin-architecture/

http://bestinterviews.blogspot.in/2012/06/eclipse-interview-questions-and-answers.html

http://www.instanceofjava.com/p/interview-questions.html

http://www.javaranch.com/journal/2003/04/immutable.htm

http://adnjavainterview.blogspot.in/2014/06/what-is-marker-interface-in-java-why.html

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