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StringBuffer in Java StringBuffer will represent the sequence of characters. It is the same line String, but the difference in...
Java StringBuilder String Builder will also represent a String String builder is the same as String and String buffer, but...
Java Array An array is collection of objects and all the objects have the same name. Each object is called...
DevOps Vs Agile There is no arguing with the fact that Agile and DevOps are completely diverse. To understand in...
Java Hashmap A map contains values on the basis of key i.e. key and value pair. Each key and value...
Method Overloading in Java Two or more methods with the same name under same class, it is called method overloading....
Method Overriding in Java If a derived class method has the same signature as that of the parent class method...
Abstract class in Java Abstraction is a process of hiding the implementation details and showing only functionality to the user....
Interface in Java Interface is the way to achieve pure abstraction, Same like class Interface can have variables (by default...
