In this PYQ series, we have discussed 15 important Research Aptitude previous year questions (PYQ) as well as we have expanded all those PYQ in detail where we thought it can be explained well by example or by image, there we have solved PYQ well using the same things. Let us talk in the comment […]
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Imagine you are driving a car. While driving you accelerate, apply breaks, shift gears, right? Do you ever think about the car engine which produces the energy to move the vehicle ahead? No You just focus on the things which are important while driving. Knowing how engine works won’t help you. You remember the important
What is abstraction? | Java Advanced | Part – 7 Read More »
I (Bjarne Stroustrup) developed C++ at Bell Labs in 1980. It is very similar to C Programming that my mate, Dennis Ritchie, created in the early 1970s. I developed C++ as an extension to the C language. I developed C++ to provide Simula’s facilities for program organization together with C’s efficiency and flexibility for systems
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The simple meaning of polymorphism is having different forms or shapes. A real-life example of polymorphism can be the moon as viewed from earth. The property of moon to have different shapes, i.e the phases of the moon. In Object Oriented Programming, polymorphism is a way to perform a single action in different ways. In Java, polymorphism
What is Polymorphism? | Advanced Java | Part- 6 Read More »
What is Overloading and Overriding? We read overloading and overriding separately so that we are easy to understand. So we start with overloading first What is overloading? But to address the individuals we use first name along with last name to uniquely identify that individual. Overloading is quite similar to what we saw above. Overloading is
Overloading and Overriding | Java Advanced | Part-5 Read More »
What is inheritanc in java Why do I look so similar to my father? My nose is also exactly like him. That’s because you have inherited his features. Inheritance is when a class derives some properties from another class. Just like human beings inherit features from their parents. The class which takes/inherits the properties is known as child class. And
What is inheritance? | Java Advanced | Part-4 Read More »
A constructor is a function with same name as a class that is used to initialize class attributes etc. this function is automatically called when we create an object of that class. A constructor is a function that has the same name as the class. public class learningConstructor{ public learningConstructor(){ //Constructor //statements } } In
What is a constructor in java? | Java Advanced | Part – 3 Read More »
My mom has given me strict instructions to not step outside the room during the study hours. She has restricted my access to the rest of the house. And wants me to focus on studies completely. I wonder if she knows about access control modifiers. Access control modifiers Access control modifiers are keywords which are
What are access control modifiers? | Java Advanced | Part – 2 Read More »
What are Methods? The above picture consists of tasks related to farming. The tasks such as sowing seeds, watering, fertilizing combine together to achieve a single goal which is good growth of crops. And when all these processes work together we get the output in the form of green, nourished crops. Similarly, Methods in programming
What are Methods | Advanced Java | Part – 1 Read More »
Java for beginners Java is a programming language that helps us to write commands (code) to a computer to perform a specific task. Like many programming languages, Java is also a programming language, it is also used as a guideline and instruct to computers. Other languages include C, C++, Python and many more! You know
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