Latest Answer: Multiple Inheritance is not removed, it is implemented by means of Interfaces in Java ...
Latest Answer: 1:c++ support pointers and java does not support poniters bcoz poniter means which hold the adress of anotherr pointer...virus will spread through pointers2:c++ support multiple inhertetance but java does support multp inher...3:c++ does requirejvm to ...
Latest Answer: Yes, we can change the datatype without dropping the column but only for certain cases,
e.g
a) if the column is not populated.
b) we increase the size even if it is populated.
We can even change it from
e.g char(4) to number(10) provided the ...
Latest Answer: constructor is a special kind of method. which is used to initialize the object at run time. ...
Latest Answer: While we are using Listener interface, we have to write the method for all the methods either we used or not used those methods, If we have not used those methods, ...
Latest Answer: There are three types of oops in java.1.Encapsulation:Encapsulation is mechanism, that bindstogether data and code its manipulates.Ex:suppose we are writing one bean. we declaring two privatevariables. we are providing setters and getters methods oftwo ...
Latest Answer: variable or methods scope or boundary will depend on access specifiers, In java we have mainly 4.namely public, private , protected and default.public : The Variables and methods can be access any where and any package.protected : The Variables and methods ...
Latest Answer: insertupdate delete ...
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