What is the access specifier of finalize () method?
What is the access specifier of finalize () method?
The overriden finalize method can be either protected or public. It’s right time to invest in Cryptocurrencies!
What is method hiding?
Method hiding means subclass has defined a class method with the same signature as a class method in the superclass. In that case the method of superclass is hidden by the subclass. It signifies that : The version of a method that is executed will NOT be determined by the object that is used to invoke it….
Is it possible to override private method in Java?
No, we cannot override private or static methods in Java. Private methods in Java are not visible to any other class which limits their scope to the class in which they are declared.
What is difference between method overriding and method hiding?
Method Overriding is a technique that allows the invoking of functions from another class (base class) in the derived class….Method Overriding Vs Method Hiding.
| Method overriding | Method hiding |
|---|---|
| Here overriding is an object type. | Here hiding is a reference type. |
Can we override main method in Java?
No, we cannot override main method of java because a static method cannot be overridden. The static method in java is associated with class whereas the non-static method is associated with an object. Therefore, it is not possible to override the main method in java.
Can we execute a program without main () method?
Yes, we can execute a java program without a main method by using a static block. Static block in Java is a group of statements that gets executed only once when the class is loaded into the memory by Java ClassLoader, It is also known as a static initialization block.
Can we override private method?
What is difference between method overloading and method overriding?
1. What is Overloading and Overriding? When two or more methods in the same class have the same name but different parameters, it’s called Overloading. When the method signature (name and parameters) are the same in the superclass and the child class, it’s called Overriding.
Can final method be inherited?
No, we cannot override a final method in Java. The final modifier for finalizing the implementations of classes, methods, and variables. We can declare a method as final, once you declare a method final it cannot be overridden.
Is const the same as final?
A const object can only call const methods, and is generally considered immutable. A final object cannot be set to a new object, but it is not immutable – there is nothing stopping someone from calling any set methods. When the variable is a primitive type, final / const work the same.
Can constructor be inherited?
Constructors are not members, so they are not inherited by subclasses, but the constructor of the superclass can be invoked from the subclass.
