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Tag Archives: Java-final keyword

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
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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