Enum is a special data type that defines a set of constants, providing type safety and allowing for more readable code, especially when dealing withContinue readingJava – Enum – MCQ

In Java, access modifiers define the visibility of classes, methods, and variables. They include public, protected, private, and the default (package-private) modifier.

Scope in Java refers to the region of the program where a variable, method, or class is accessible. It determines the visibility and lifetime ofContinue readingJava – Scope – MCQ

In Java, packages are used to group related classes and interfaces, providing a modular structure to organize code and avoid naming conflicts. A package canContinue readingJava – Packages – MCQ

In Java, the final keyword is used to define constants, prevent method overriding, and prevent inheritance. When applied to a variable, it makes the valueContinue readingJava – Final – MCQ

The static keyword, on the other hand, is used to declare members (variables or methods) that belong to the class rather than any particular objectContinue readingJava – Static – MCQ

In Java, the super keyword is used to refer to the parent class’s members (variables, methods, constructors). It is typically used to call a superclass’sContinue readingJava – Super – MCQ

In Java, this is a reference variable that refers to the current object of the class. It is used to differentiate between instance variables andContinue readingJava – This MCQ

In Java, an interface is a blueprint that defines abstract methods, which implementing classes must provide. From Java 8, interfaces can also have default andContinue readingJava – Interface MCQ

in Java is a concept that allows hiding the implementation details and exposing only the essential features of an object. It is achieved through abstractContinue readingJava – Abstraction MCQ