Which is faster string or stringbuilder?
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What are the types of arrays in java?
What is getkey () in java?
which of tha following is not a thread safe class? a) ArrayList b)Vector c)HashTable d)None
Why all programming languages have main as a execution starting point?
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
Does a function need a return?
What is the difference between a factory and abstract factory pattern?
Why is it called a string?
What is variable in java?
How to convert string to int in java?
What is floating data type?