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Few terms to know before buying apartment in India.

What is Carpet Area, Built up Area, Saleable Area?

Please read this 4 page article few times to understand how builders use the above terms to fool people in thinking about apartment sizes. Technically on paper you can buy 1500 sft apartment with real area far less then that.


Typical Calculation:
 Super Build-up Area = ( Carpet Area + (balcony/terrace) * 0.5 ) * 1.3

Carpet Area - Area within your apartment walls.
Balcony - Area with ceiling but without walls on all sides.
Terrace - Area without ceiling and without walls on all sides

Why are we multiplying total area by 1.3 ?
 Thats called loading factor, builders give exclusive rights to area within your aprt walls but not to stairs, and lifts, and to cover this cost they add 30% more.

P.S: Parking space cost in Hyderabad is around 1-15 Lakhs.


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JPA 2 new feature @ElementCollection explained

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Example 1: Stores list of Strings in an Entity

public class Users implements Serializable {

    private static final long serialVersionUID = 1L;
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
    private List<String> certifications = new ArrayList<String>();

    public Long getId() {
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    public void setId(Long id) { = id;

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    public void setCertifications(List<String> certifications) {
        this.certifications = certifications;

        Users u = new Users();
        u.getCertifications().add("Sun Certified Java Programmer");

Generated Tables

Column --> ID
    Row             1


Validating CSV Files

What is CsvValidator ?
  A Java framework which validates any CSV files something similar to XML validation using XSD.

Why should I use this ?
  You don't have to use this and in fact its easy to write something your own and also checkout its source code for reference.

Why did I write this ?
  Some of our projects integrate with third party application which exchanges information in CSV files so I thought of writing a generic validator which can be hooked in multiple projects or can be used by QA for integration testing.

What is the license clause ?

Are there any JUnit test cases for me checkout ?
 Yes, source

How to integrate in my existing project ?

Just add the Jar which can be downloaded from here CsvValidator.jar and you are good.

Instantiate CsvValidator constructor which takes these 3 arguements

         // filename is the the file to be validated and here is a sample         // list - defines all the fields in the above csv file ( a field has index, type, isOptional, rege…