Which collection is ordered in java?
What are possible key words, we can use to declare a class?
when should you use stringbuilder class in a program?
What is a boolean used for?
Where pragma is used?
explain multi-threading in java?
Explain about interrupt() method of thread class ?
what methods would you overwrite in java.lang.object class?
How is it possible for two string objects with identical values not to be equal under the == operator?
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
Explain class A{} class B{} class C{} all the three classes are saved in a single file name, what the name should i provide to the file ,in what file name should i run the program? Ple Explain
What is static and a non-static inner class?
what is inner class?