What is the diffrence between inner class and nested class?
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What is the difference between the size and capacity of a vector?
Find the value of a specified element of the array arr[i] where 0 <= i <= n-1
how do I create a runnable with inheritance? : Java thread
explain the life cycle of thread?
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Tell me the difference between an applet and a Japplet?
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 use of collections in java? How it is implemented in real time applications?
Is it necessary that each try block must be followed by a catch block?
Can a java program have 2 main methods?
What is the smallest package in Java API?
Is arraylist a class in java?
What are the application of stack?