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super keyword in java   The super keyword in Java is a footnote variable which is used to refer to the time root of class object.   Whenever you produce the instance of a subclass, an instance of the root of the class is produced implicitly which is referred to by the super footnote variable. […]

Object Oriented Programming is an ideal that gives a lot of concepts such as inheritance, polymorphism, etc.   The programming idea where everything is circled as an object is known as an object-oriented programming language. small-scale is informed as the first object-oriented programming language.   OOPs (Object Oriented Programming System)   Object means a real

string is basically an object that represents sequence of char values. An array of characters works same as java string. For example:   char[] ch={‘p’,’r’,’o’,’g’,’r’,’a’,’m’,’e’,’r’}; String s=new String(ch); ssame as: String s=”progemar”; Java String class gives a lot of way(method) s to apply missions on string such as compare(), concat(), equals(), split(), length(), replace(), compareTo(),

Recursion in java is a process in which a way(method)  calls alone continuously. A way(method)  in java that                             calls alone is called recursive way(method) . Java Recursion Example 1: Factorial Number public class Example { static int factorial(int n){ if (n == 1) return 1; else return(n * factorial(n-1)); } } public static void main(String[]