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Describe the final keyword ?
The final keyword is used in various different contexts as a modifier meaning in which what it modifies cannot be changed in a few sense. final classes
You will notice in which a number of the classes in Java library are describe final, e.g.
public final class String
This means this class will not be subclassed, and informs the compiler in which it can perform certain optimizations it or else could not. It also provides some advantages in regard to security and thread safety.
The compiler will not let you subclass any class in which is declared final. You probably won't need or required to declare your own classes final though.
Comparable interface: The "Comparable" allows itself to compare with other same types of object. The function compareTo() is specified in the interface. Several of the standa
write a program that count the number of occurences of string in the n-th padovan string p(n) program in java // aakash , suraj , prem sasi kumar kamaraj college progr
It helps to resolve naming conflicts when different packages have classes with the same names. This also helps you prepare files within your project. As define : java.io package d
Explain Subclasses and Polymorphism ? Car and Motorcycle are subclasses of MotorVehicle. If you instantiate a Car or a Motorcycle along with new, you can use in which object a
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What is the output of the following JavaScript code? name="Ali Akbar"; document.write(name.charAt(4)) ;
Using the above thread program, now create 20 threads in your program and run them. No need to wait for the keyboard in each thread, just print "Hello" and its thread id in each t
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