Monthly Archives: November 2017

final Keyword In Java

final is a keyword in Java. It is used with variables, methods and classes. final variable: When final is used with variables, the value of the variable becomes constant means you cannot modify(re-initialize) the value of a final variable. Initializing a final variable: 1) Initialize the value of the final variable when declared. A final variable is called blank final variable,if… Read More »

this Keyword In Java

this is a reference variable that refers to the current object. 1) It is used to refer current class instance variables. Output: Area of rectangle is: 30 unit square The above code could have been written like this: 2) It is used to refer current class constructor. Output: Calling default constructor… Calling parameterized constructor… Area of rectangle is:… Read More »

Jio Openings 2017 For K2 Black Pearl Developer [Experienced 2-6 years] For Mumbai Location

Job Description About Company:  Jio promises to shape the future of India by providing end-to-end digital solutions for businesses, institutions and households and seamlessly bridging the rural-urban divide. When you walk through our doors anywhere in the world, you ll find a group of sharp-minded individuals working in a challenging and collaborative environment-one that fuels inspiration, drives innovation,… Read More »

Jio Openings 2017 For Full Stack Developers [Experienced 3-4 years] For Mumbai Location

Job Description About Company:  Jio promises to shape the future of India by providing end-to-end digital solutions for businesses, institutions and households and seamlessly bridging the rural-urban divide. When you walk through our doors anywhere in the world, you ll find a group of sharp-minded individuals working in a challenging and collaborative environment-one that fuels inspiration, drives innovation,… Read More »

super Keyword In Java

super is a keyword in Java. It is a reference variable that is used to refer parent class objects. super keyword is related to Inheritance in Java. super Keyword: super is a keyword in Java. It is a reference variable that is used to refer parent class objects. super keyword is related to Inheritance in Java. Uses of super keyword: 1)… Read More »

Abstract Class In Java

An abstract class is a class that is declared with the keyword “abstract”. Abstract classes cannot be instantiated, but they can be extended i.e. subclassed. Abstract Class: 1)  Abstract classes cannot be instantiated i.e. object of Abstract class can not be created. Output: User.java:10: error: Human is abstract; cannot be instantiated Human human=new Human(); ^ 1 error But… Read More »

Yupple Technologies Openings 2017 For Team Lead / Senior Dot Net Developer [Experienced 3-6 years] For Delhi Location

Job Description About Company:  Yupple Technologies is an IT solutions firm, specialising in profitable and scalable bespoke software services, addressing to the needs of mobile and web industry. We sculpt custom-made solutions following a comprehensive and exhaustive study of the existing processes, exponentially increasing efficiencies. Passionate about providing agile and cost-effective software solutions, our core area of expertise… Read More »

Abstract Keyword In Java

In Java, abstract  keyword is used to indicate that there is no concrete implementation. abstract  is a non-access modifier. abstract  keyword is used with classes and methods but not with variables. Abstract Keyword: In English Language, the meaning of the word abstract is: “existing in thought or as an idea but not having a physical or concrete existence” The same is the meaning… Read More »

Find the Output: Constructors and Inheritance In Java

Points To Remember: If  a Superclass contains default as well as parameterized constructors then default constructor will be called automatically. If  a Superclass contains one or more parameterized constructors and there isn’t any default constructor then you need to call the parameterized constructors using super(). Question: Find the output. Output: inside parameterized constructor having single arg of class… Read More »