Oracle Certified Professional, Java SE 7 Programmer Upgrade Path Preparation Article

Oracle offers variety of Java Certifications for all Java Editions (Java SE, Java EE and Java ME). Oracle Certified Professional, Java SE 7 Programmer certification tests Java SE 7 programming experience. What exam I need to pass to achieve OCP for Java SE 7 Certification in upgrade path? You need to complete 1Z0-805 Upgrade to Java SE 7 Programmer to achieve this certification. What kind of knowledge I can achieve after completing this certification? You can gain basic knowledge of...
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Java SE 7 OCA Training Lab

EPractize Labs Software, an emerging global provider for Java Certification Preparation released world’s first exam study guide (Training Lab) for Oracle Certified Associate, Java SE 7 Programmer certification on November 3, 2011. Download your FREE copy today and empower your preparation....
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Java SE 7 OCP Upgrade Training Lab

Dear Java Aspirants, I wanted to be sure to give you a heads up about this. Just released Training Lab for Oracle`s Java SE 7 Certifications. EPractize Labs Software, an emerging global provider for Java Certification Preparation released world’s first OCP Java SE 7 Upgrade Exam study guide (Training Lab) for Oracle Certified Professional, Java SE 7 Programmer certification on 11.11.11....
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why do threads block on I/O ?

Threads block on I/O ( that is enters the waiting state) so that other threads may execute while the i/o operation is performed...
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which containers use a border Layout as their default layout?

The Window, Frame and Dialog classes use a border Layout as their default layout...
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Transient Variable

A transient variable is a variable that may not be serialized...
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Disadvantages of Type 4 Driver

With type 4 drivers, the user needs a different driver for each database....
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ADVANTAGES OF Type 4 Driver

1) The major benefit of using a type 4 jdbc drivers are that they are completely written in Java to achieve platform independence and eliminate deployment administration issues. It is most suitable for the web. 2) Number of translation layers is very less i.e. type 4 JDBC drivers don`t have to translate database requests to ODBC or a native connectivity interface or to pass the request on to another server, performance is typically quite good. 3) You don’t need to install special software ...
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Disadvantage of Type 3 Driver

It requires another server application to install and maintain. Traversing the recordset may take longer, since the data comes through the backend server....
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ADVANTAGES OF Type 3 driver

1) This driver is server-based, so there is no need for any vendor database library to be present on client machines. 2) This driver is fully written in Java and hence Portable. It is suitable for the web. 3) There are many opportunities to optimize portability, performance, and scalability. 4) The net protocol can be designed to make the client JDBC driver very small and fast to load. 5) The type 3 driver typically provides support for features such as caching (connections, query results,...
Submitted by Balamurali | Rated 0