🔰 Java this Keyword : The this keyword in Java has various uses. It acts as a reference variable in Java that represents the current object.

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🔰What is this () constructor in Java : this() can be used to invoke current class constructor. this can be passed as an argument in the method call. this can be passed as argument in the constructor call. this can be used to return the current class instance…

🔰 Java super Keyword : Java programming language में super keyword का use Inheritance में parent class के non static variables और methods को access करने के लिए किया जाता है।
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🔰Java super constructor : A super constructor is a constructor in a subclass that invokes the constructor of its superclass.

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🔰Java Final Keyword : जावा में, Final Keyword का प्रयोग user को restrict करने के लिए किया जाता है यह एक non-access modifier है। और इसका प्रयोग केवल variables, classes और methods में किया जा सकता है।

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🔰Java Final Keyword : जावा में, Final Keyword का प्रयोग user को restrict करने के लिए किया जाता है यह एक non-access modifier है। और इसका प्रयोग केवल variables, classes और methods में किया जा सकता है।

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🔰Java Encapsulation : Data तथा Function को एक ही यूनिट में सम्मिलित करना (जोड़ना) Encapsulation कहलाता है। इसमें class के variables प्राइवेट होते हैं और इन्हें class के बाहर direct access नहीं किया जा सकता। Encapsulation को class के रूप में use किया जाता…

🔰 What is Data Binding in java : In java, binding refers to the process of linking a method call to its corresponding method implementation.

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🔰 Dynamic Binding : Dynamic binding in Java refers to the process of determining the specific implementation of a method at runtime, based on the actual typ...

🔰 Java Abstraction : Data abstraction is the process of hiding certain details and showing only essential information to the user.
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🔰Java Interface : Interface को interface keyword के साथ define किया जाता है , और Inherit करने के लिए implements keyword का use किया जाता है।

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🔰Interface Program in Java: An interface is a set of rules or blueprints that a class must follow by implementing abstract methods and constants.

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🔰Java multiple inheritance : Multiple inheritance in Java refers to a scenario where a class can inherit properties and methods from more than one superclass.
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🔰Hybrid Inheritance : Hybrid Inheritance in Java is a combination of all inheritances. Single and hierarchical inheritances or multiple inheritance.

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🔰Anonymous class : जावा में Anonymous classes विशेष रूप से तब उपयोगी होती हैं जब आपको एक अलग क्लास को स्पष्ट रूप से परिभाषित किए बिना एक बार उपयोग वाली क्लास बनाने की आवश्यकता होती है।
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🔰Has-A Relationship : Aggregation is a fundamental concept in object-oriented programming. It focuses on the development of a Has-A relationship between two classes.

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🔰Difference between Abstract Class and Interface in Java : An abstract class can have a mixture of fully implemented methods and abstract methods (which are declared but not implemented) and can maintain state through fields. An interface can only declare…

🔰How to remove an element from ArrayList in Java?
Using the remove() method of the ArrayList class is the fastest way of deleting or removing the element from the ArrayList.
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🔰Java ArrayList removeIf() Method : Java ArrayList removeIf() Method :
The Java ArrayList removeIf() method removes all elements from the arraylist that satisfy the specified condition.

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🔰Custom ArrayList in Java : In this tutorial, we will learn how to store user-defined (custom) class objects in Java ArrayList in an easy way and step by step.
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