Explain the difference between comparator and comparable in java?
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What is the use of TL?
What is the arguement of main method?
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 function declaration?
Does the order of public and static declaration matter in main method?
please tell me what is wrapper class in java with example ?
How many JVMs can run on a single machine and what is the meaning of Just-In-Time (JIT) compiler?
Explain different ways of creating a thread. Which one would you prefer and why?
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What is the purpose of static methods and static variables?
Can we write method inside a method in java?
What will happen if static modifier is removed from the signature of the main method?