Latest Interview Questions on JAVA (Prepared by Sumitav Tripathy)

Wipro Interview Questions (Face to Face 1st March 2014)   For 4+ Experience. ·         Difference between Abstract Class & Interface? ·         Difference between Array List & Vector? ·         Difference...

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Hibernate Jar issue

Scenario : Facing bellow exception, While running hibernate sample application log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment). log4j:WARN Please initialize the log4j system properly. java.lang.AbstractMethodError: org.slf4j.impl.Log4jLoggerAdapter.isTraceEnabled()Z Solution : We guess that the slf4j-log4j...

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Understanding JSP Life Cycle

JSP never outputs the content directly to the browser. Instead, JSP relies on initial server-side processing process which translates JSP page into the JSP Page class. The page class then will handle all the requests made of JSP. The JSP life cycle is described as the picture below: JSP life cycle can be divided into four phases: Translation,...

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ORM Technology With Hibernate

1.What is ORM ? ORM stands for object/relational mapping. ORM is the automated persistence of objects in a Java application to the tables in a relational database. 2.What does ORM consists of ? An ORM solution consists of the followig four pieces: API for performing basic CRUD operations API to express queries refering to classes...

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