What is the base class in java from which all classes are derived?
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What is the difference between inheritance and encapsulation?
What are the differences between include directive and include action?
what is main purpose of abstract class?
What is the map interface in java programming?
What is the size of int?
How to connect to a remote database using Applet?
What about member inner classes?
how a programmer confirms that the data submitted has been succesfully inserted into the database(either oracle or my sql).. How a programmer confirm if there is any problem with the program he wrote for insertion... ANS:--- >executeupdate method is having boolean return type, if anything goes wrong in data insertion or data updation, it would return false. otherwise, if it successfully inserts data into the database, it would return true NOW HOW TO I CHECK IN MY DURING EXECUTION WHETHER IT RETURNS TRUE OR FALSE... WELL IT WILL DISPLAY ANY MESSAGE OR NOT
What is the purpose of using break in each case of switch statement?
Does isempty check for null?
What is meant by data hiding/encapsulation?
What is meant by class and object in java?