Changing the environment variables on MAC: cd /etc chmod 777 profile vi profile add export JAVA_HOME=<what ever is the path to java home>
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Design Patterns Mind Map Zip
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Information is stored in many formats and storage structures. One of the such storage structure is the RDBMS which is the most common and very very extensively used. The data in database is relational. The data stored in RDBMS is complex and has complex update mechanism with commits and rollbacks. On the other hand what if you want to store data not in relational format but in hierarchical...
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  If you have understood factory pattern, understanding abstract factory is a cake walk. How many create methods you have in a factory ? Answer is 1. How many product(s) does a factory return ? Answer is 1. Now if you are asked how many create methods or in other words, how many product(s) does an abstract factory create ? - Answer will be : More than 1. Abstract...
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This is a model where you have business services written in Classes with each function in it  providing some signficant service behavior and domain objects having only setter getters with no behavior at all. There are millions who are under the impression that Domain Objects / Entities are only supposed to hold data. This may be true in case of Value Object but not Domain Objects or...
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