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Python Data Analytics Libraries

Python Data Analytics Libraries

What is Data Analytics? Data is power. Insights acquired from data is the key to unlock the internet age. With the web expanding, the challenge is to use the data being captured to provide meaningful….

PyPDF2 Python PDF Toolkit

PyPDF2: Python Library for PDF Files Manipulations

PyPDF2 is a pure-python library to work with PDF files. We can use the PyPDF2 module to work with the existing PDF files. We can’t create a new PDF file using this module. PyPDF2 Features….

Python With Statement

Python with Statement – with open file

Python with statement allows us to write simpler code when working with context managers. The with statement was introduced in Python 2.5 under PEP 343. 1. What is a Context Manager? A context manager is….

Python Jsonpath

Python JSONPath Examples

What is JSONPath? JSONPath is an expression language to parse JSON data. It’s very similar to the XPath expression language to parse XML data. The idea is to parse the JSON data and get the….

Polymorphism In Java

Polymorphism in Java

Polymorphism is one of the core concepts of OOPS paradigm. The meaning of polymorphism is the condition of occurring in several different forms. 1. What is Polymorphism? Polymorphism is the ability to perform different things….

Java Final Keyword

Java final Keyword Examples

The final keyword in Java can be used with variables, methods, and classes. Final Variables: When we mark a variable as final, we can’t reassign its value. Final Class: When a class is final, we….

Java Keywords

Java Keywords

Java keywords are the reserved words that are used by the Java compiler. These keywords have special meaning to the Java compiler. The reserved keywords help us in writing code and help the compiler in….

Encapsulation In Java

Encapsulation in Java

Encapsulation in Java is achieved by private variables and getter-setter methods. Encapsulation provides a loosely coupled, reusable, secure, and better access-controlled class implementation.

History of Java

Java is an object-oriented programming language. Java was developed by James Gosling and colleagues at Sun Microsystems in the 1990s. History of Java Java was started as a project called “Oak” by James Gosling in….

Java 13

Java 13 Features

Java 13 was released for production use on 17th September 2019. There are not a lot of developer-specific features in Java 13 because of the 6-month release cycle. Java 13 Features Some of the important….

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