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 »

Kafal Software Openings 2017 For Peoplesoft Test Engineer [Experienced 4-8 years] For Noida Location

Job Description About Company:  Kafal Software are leader in Technology Automation space covering the entire gamut of automation needs for our customers around Machine Learning, Artificial Intelligence, Cognitive Computing, Robotic Process Automation and Data Science. Visit www.kafalsoft.com to know more about Kafal Software. Industry: IT Role: Peoplesoft Test Engineer AMCAT Discount Coupon 2018 | Get Flat 10% Off – Apply… Read More »

Cognizant Openings 2017 For Engineer Trainee- IT IS[2016 & 2017 Batch] Across India

Job Description About Company:  Cognizant is an American multinational corporation that provides IT services, including digital, technology, consulting, and operations services. It is headquartered in Teaneck, New Jersey, United States. Cognizant is listed in the NASDAQ-100 and the S&P 500 indices. It was founded as an in-house technology unit of Dun & Bradstreet in 1994, and started serving… Read More »

Mindtree Openings 2017 For Engineers[2017 Batch] For Bangalore, Chennai, Hyderabad & Pune

Job Description About Company:  Mindtree [NSE: MINDTREE] delivers digital transformation and technology services from ideation to execution, enabling Global 2000 clients to outperform their competition. “Born digital,” Mindtree takes an agile, collaborative approach to creating customized solutions across the digital value chain. We are Co-headquartered in Bangalore, India and New Jersey, USA. Founded in 1999, we are now… Read More »

Parameterized Constructors and Inheritance In Java

In Java, parent class parameterized constructor is called in child class using super(). And super() should be the first line inside the constructor. In the previous post, we learnt how default constructors of Superclass are called automatically in the Subclass. Here in this post we will learn how to inherit parameterized constructor from superclass to subclass. Lets understand… Read More »

Default Constructors and Inheritance In Java

Parent class default constructor is called automatically when child class is instantiated in Java. Explanation: Have a look at this basic code of inheritance. There are three classes- Superclass, Subclass which extends the Superclass and the Test class which contains the main() method. Can you tell what will be the output of the above program when Test class… Read More »