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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.
How can Java source code files named?
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write a program in java which enters name,roll #,and shows the sum of students english and maths marks?
Describe final arguments? At last, you can declare in which method arguments are final. This means that the techniques will not directly change them. Because all arguments are
1. Which of the following are not valid Java identifiers, and why? (a) wolVes (b) United(there is only one) (c) 87 (d) 5 3 (e) Real ale (f) isFound?by 2. A cla
have some assignments and i want help with them. thanks
String concatenation and comparison public class StringTest { public static void main(String[] args) { int i = 4; int j = 5; System.out.println ("Hello" + i); // wi
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