superclass's constructor, methods, or variables. It is primarily used to differentiate between superclass and subclass members with the same name. 88. What is the purpose of the "this" keyword in Java? The "this" keyword in Java is used to refer to the current instance of a class. It is primarily used to differentiate between instance variables and parameters or to invoke other constructors within a class. 89. What is the purpose of the "final" keyword in Java? The "final" keyword in Java is used to define constants, make variables unchangeable, or prevent method overriding or class inheritance. It ensures that the value of a variable or the implementation of a method or class cannot be modified. 90. What is the purpose of the "static" keyword in Java? The "static" keyword in Java is used to define class-level variables and methods that are shared among all instances of a class. It allows accessing variables or methods without creating an instance of the class. 91. What is the purpose of the "abstract" keyword in Java? The "abstract" keyword in Java is used to define abstract classes or methods. An abstract class cannot be instantiated and serves as a base class for subclasses. An abstract method does not have an implementation and must be overridden in a subclass. 92. What is the purpose of the "interface" keyword in Java? The "interface" keyword in Java is used to define interfaces, which declare methods that implementing classes must provide. It allows for multiple inheritance by implementing multiple interfaces and enables the concept of polymorphism. 93. What is the purpose of the "package" keyword in Java?
