Simple and Easy Core Java Tutorial to help beginners learn java. What is Java? What is JVM? What are classes and objects? Learn about Packages. Java is one of the world's most important and widely used computer languages, and it has held this distinction for many years. Unlike some other computer. How do we get pdf of this material. 5 years ago by pasha how do we get pdf of this material. C++. Answers. No Answer posted yet. Login / Signup to Answer.

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Best place to learn Engineering subjects like Core Java, C++, DBMS, Data Structures etc through Hand-written simple Tutorial, Tests, Video tutorials and. Learning. Center abcd. W. R. F. S. MTWR. About This Book. This book teaches you all what programming is, but you've heard Java is easy to learn, really. advanced concepts related to Java Programming language. Prerequisites can use to execute your Java programs at the spot and enjoy your learning.

There are so many programming languages available that helps developers create applications. Python is one of the high-level, interpreted and general-purpose programming languages that is easy to use, comprehensive and powerful. In , Guido van Rossum referred to its father developed the Python programming language. It is often termed as a scripting language. It provides support for automatic memory management, multiple programming paradigms, and implements the basic concepts of object-oriented programming OOP. Python is a strongly-typed procedural language along with support for a huge and broad standard library. Some other amazing features of Python are as follows: Open source language Simple and easy to learn the language Scalable and portable language High-level language People often think that the name of the programming language is inspired by Python, the snake, which is not true. It is widely used in the development of frameworks such as Django and Pyramid, and advanced content management systems like Plone and Django CMS. Top 30 Python Tutorials In this article, we will introduce you to some of the best Python tutorials. These tutorials are suited for both beginners and advanced programmers. With the help of these tutorials, you can learn and polish your coding skills in Python.

JavaScript to program the behavior of web pages Web pages are not the only place where JavaScript is used.

Many desktop and server programs use JavaScript. Did You Know? JavaScript and Java are completely different languages, both in concept and design. ECMA is the official name of the standard. ECMAScript is the official name of the language. Learning Speed In this tutorial, the learning speed is your choice. Everything is up to you.

If you are struggling, take a break, or reread the material. Always make sure you understand all the "Try-it-Yourself" examples. Class doesn't consume any space. Inheritance When one object acquires all the properties and behaviors of a parent object, it is known as inheritance. It provides code reusability. It is used to achieve runtime polymorphism.

Polymorphism If one task is performed in different ways, it is known as polymorphism. For example: to convince the customer differently, to draw something, for example, shape, triangle, rectangle, etc. In Java, we use method overloading and method overriding to achieve polymorphism. Another example can be to speak something; for example, a cat speaks meow, dog barks woof, etc.

Abstraction Hiding internal details and showing functionality is known as abstraction. For example phone call, we don't know the internal processing.

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In Java, we use abstract class and interface to achieve abstraction. Encapsulation Binding or wrapping code and data together into a single unit are known as encapsulation. For example, a capsule, it is wrapped with different medicines.

A java class is the example of encapsulation. Java bean is the fully encapsulated class because all the data members are private here. Coupling Coupling refers to the knowledge or information or dependency of another class.

It arises when classes are aware of each other. If a class has the details information of another class, there is strong coupling. In Java, we use private, protected, and public modifiers to display the visibility level of a class, method, and field.

You can use interfaces for the weaker coupling because there is no concrete implementation. Cohesion Cohesion refers to the level of a component which performs a single well-defined task. A single well-defined task is done by a highly cohesive method. The weakly cohesive method will split the task into separate parts. The java.

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However, the java. Association Association represents the relationship between the objects. Here, one object can be associated with one object or many objects. There can be four types of association between the objects: One to One Many to One, and Many to Many Let's understand the relationship with real-time examples.

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For example, One country can have one prime minister one to one , and a prime minister can have many ministers one to many. Also, many MP's can have one prime minister many to one , and many ministers can have many departments many to many.

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Association can be undirectional or bidirectional. Aggregation Aggregation is a way to achieve Association.

Aggregation represents the relationship where one object contains other objects as a part of its state. It represents the weak relationship between objects.

Introduction to Java

It is also termed as a has-a relationship in Java. Like, inheritance represents the is-a relationship. It is another way to reuse objects. Composition The composition is also a way to achieve Association. The composition represents the relationship where one object contains other objects as a part of its state.

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