Final method in java can be extended but alongside the main concept to be taken into consideration is that extend means that you can extend… Read More
Tag Archives: Java-final keyword
A method in a subclass is said to Override a method in its superclass if that method has a signature identical to a method in… Read More
A variable provides us with named storage that our programs can manipulate. There are two types of data variables in a class: Instance variables :… Read More
Prerequisite : final keyword, Variables, Scope of Variables A local variable in Java is a variable that’s declared within the body of a method. Then… Read More
Prerequisite : static variables, final keyword Static variable: When the value of a variable is not varied, then it is a not good choice to… Read More
Instance variable: As we all know that when the value of variable is varied from object to object then that type of variable is known… Read More
class Base { public final void show() { System.out.println("Base::show() called"); } } class Derived extends Base { public void show() { System.out.println("Derived::show() called"); } }… Read More
class Main { public static void main(String args[]){ final int i; i = 20; i = 30; System.out.println(i); } } (A) 30 (B) Compiler Error… Read More
Output of following Java program class Main { public static void main(String args[]){ final int i; i = 20; System.out.println(i); } } (A) 20 (B)… Read More
What is the use of final keyword in Java? (A) When a class is made final, a subclass of it can not be created. (B)… Read More
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