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Hi friends, In JDBC 4 drivers are there among this which driver is best and why it is best.Which driver is most commonly used in web applications.
6 9834Hi Friends, am new to struts.I read that " you can store variables in xml file(properties file) and for future enhancements we just call properties file . Now i want to implement this , where can i call properties file to enhance my application. My question is where this properties file will be called.
1 3710Hi Friends, can u give me Real Time example for interface and abstract class.(With Banking Example)
4 15069In DAO we are writting sql queries , how it is possible with creating and closing database connections.
1 2005Hi Friends, can you explain instance in java. In general instance means "occurence of something" . In java what is instance.
4 6308Hi Friends, I am beginner in java. what i know about synchonized keyword is,If more that one 1 thread tries to access a particular resource we can lock the method using synchronized keyword. Then after that how the lock is released and how next thread access that.Please explain with example.
5 6591Hi Friends, can you give difference between extending thread class and implementing runnable interface.
4 6822Hi Friends, I am new to java. Can u explain about thread concept.How i know one thread is locked, and how can i force or acquire another thread for lock . Finally how to know thread is released from lock. Explain types of lock(like method level and block level) in thread.
1 3797I have a sorting issue with a Hashmap. My constraint is that I MUST use the Hashmap and work with existing code. I do a database query and place the results in a Hashmap. When I iterate thru the Hashmap, it loses the original alphabetical sorting done by the database. So, my problem is that I must sort the results coming out of the Hashmap which is then placed into another class.
1 4695
How to sort array in descending order in java?
Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance
What is the difference between break and continue statements?
What are the contents on web.xml in struts application ?
Realized?
What is lazy class?
How to create a base64 decoder in java8?
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Differentiate between static and non-static methods in java.
Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example
How is declarative handling of exceptions done in struts ?
What is java string pool?
explain different ways of using thread? : Java thread
What is the difference between filters and interceptors ?
What is the difference between equals() and == in java?
