What are the advantages of unicode?
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Can an abstract class be a final class?
What is math exp in java?
what is ennumaration?
Can static methods be overridden?
Difference between ‘is-a’ and ‘has-a’ relationship in java?
When we give defination of interface method in the class why method must be public???
What does the ‘static’ keyword mean? Is it possible to override private or static method in java?
What is thread life cycle?
Name the immediate superclass of the MenuComponent class?
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
Which one will take more memory: an int or integer?
How many statements can be created with one connection in jdbc?