Under what conditions is an object’s finalize() method invoked by the garbage collector?
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What is a functional interface?
what is singlton class?where it is use in real time senario.
Can you override static method in java?
How two different class threads communicate with each other?. send example code.
What is a “stateless” protocol ?
What are the four versions of java?
Can a class have multiple subclasses?
Why are lists ordered in java?
Is a boolean variable?
what are Hostile Applets?
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
Differentiate storage classes on the basis of their scope?