final variable cannot be changed, a final method cannot be overridden, and a final class cannot be inherited. 23. What is method overloading in Java? Method overloading is the ability to define multiple methods with the same name but different parameters in the same class. The appropriate method is called based on the arguments passed. 24. What is method overriding in Java? Method overriding is the ability to provide a different implementation of a method in a subclass that is already defined in its superclass. It allows for the execution of the overridden method instead of the superclass method. 25. What is the difference between method overloading and method overriding? Method overloading involves defining multiple methods with the same name but different parameters in the same class, while method overriding involves providing a different implementation of a method in a subclass that is already defined in its superclass. 26. What is the "this" keyword in Java? The "this" keyword in Java refers to the current instance of a class. It can be used to access instance variables, call instance methods, or invoke constructors.
27. What is a static variable in Java? A static variable in Java is a variable that belongs to the class rather than an instance of the class. It is shared among all instances of the class. 28. What is the purpose of the "final" keyword in method parameters? The "final" keyword in method parameters is used to make the parameter value unchangeable within the method. It ensures that the parameter cannot be reassigned or modified. 29. What is the purpose of the "static" keyword in Java?
