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Instance initializer block Instance initializer block Example of Instance initializer bloc…

Final Keyword In Java Final variable Final method Final class Is final method inherited ? …

Polymorphism in Java Polymorphism in Java is a concept by which we can perform a single ac…

Java instanceof java instanceof Example of instanceof operator Applying the instanceof ope…

Abstract class in Java A class which is declared with the abstract keyword is known as an …

Interface in Java Interface Example of Interface Multiple inheritance by Interface Why mul…

Java Package Java Package Example of package Accessing package By import packagename.* By …

Access Modifiers in Java Private access modifier Role of private constructor Default acces…

Encapsulation in Java Encapsulation in Java is a process of wrapping code and data togethe…

Java Arrays Normally, an array is a collection of similar type of elements which has conti…