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Watch as this student asks the ultimate question: Can a class test be taken? The answer might surprise you! Get ready for some ...

A parent class without an explicitly defined constructor defaults to a no-argument constructor. This means the child class doesn't ...

Instance methods access current class variables by default. Learn how Java determines whether the instance variable comes ...

Inside a class, can you have multiple constructors? Yes! They have the same name but different argument types. Inheritance and ...

Abstract classes can have constructors! Even though you can't directly create objects, the constructor initializes parent class ...

CORE JAVA TUTORIALS BY Mr. PRAKASH SIR.

Why does a missing no-arg constructor in a parent class cause a compile error in the child? Understand constructor inheritance ...

A child class contains two methods, but only one constructor. Overriding and inheritance apply to methods, not constructors.

java, java tutorial, java hindi, java programming, learn java, java in hindi, java oops, — OOP Concepts: Class & Object Constructor ...

Can an abstract class have a constructor? Yes, perfectly valid! Abstract classes can contain constructors without issue. See how ...

Careful! Using 'this' or 'super' inside a static method throws a compile-time error. 'Non-static variable cannot be referenced from a ...

This driver, developed solely in Java, offers a significant advantage: platform independence. Use it across any platform with ease.

With 2025 coming to a close, let's summarize Java's year and look at the current state of the six big OpenJDK projects as well as a ...

Learn how to create a child class object. This example shows how to execute the child's m1 method, inheriting parent properties ...

Super keyword only allowed inside constructor, and *only* as the very first line! Place it anywhere else and brace yourself for a ...

Streamline object creation with multiple constructors! See how you can handle various data inputs for your inquiry class with ease ...

Type 4 JDBC driver: ideal for standalone & small web apps using one database (Oracle, MySQL). Simple, efficient, and highly ...

Parent and child classes share the same variable? Use 'super' keyword to explicitly specify the superclass variable. This helps to ...

Collections are groups of objects, shared by many. One change affects everyone! Immutable objects ensure data integrity when ...

Understanding 'this' and 'super' keywords. 'Super' refers to superclass instance variables, while 'this' refers to current class ...