Program for reading all emails present in a file in Java

By Niwedita Kumari

In this tutorial, we will learn how to read or fetch all the email ids from a .txt file in Java. Searching and reading emails is a tough task. But, it is even more hectic when we a.... Read More

How to write multi-line comments in Java

By Vaishnavi Penumerthy

In this article, you will learn how to comment multiple lines in Java. Multi-line comments in Java We are familiar with single-line comments in Java that start with two forward sla.... Read More

struct constructor with parameters in C++

By Shalu Priyamvada

Structure is a user defined datatype. In C++, it is a collection of data members and member functions inside a single unit. It contains variables of different datatype. Unlike C, S.... Read More

How to iterate through vector in C++

By Shalu Priyamvada

In this section, we will see how can we iterate through the elements of the vector. There are three ways to iterate through vector elements. In this tutorial, we will learn these t.... Read More

Vector subscript out of range in C++ – Solution

By Pyata Sandeep

Prerequisites: Access elements from a vector Change a particular element Introduction: Vectors are used to store similar data types of elements dynamically, thereby known as dynami.... Read More

Change case of all characters in a .txt file using Python

By Ram Uday Kumar

If you want to change the case of all characters in a .txt file in Python then the steps will be: the first line will open the file in reading using .read() function mode located i.... Read More

Get JSON Data from a URL in JavaScript


In this article, I will tell you how to get JSON data from a URL in JavaScript. So basically JSON Stands for JavaScript Object Notation is a text-based representation of structured.... Read More

How to dynamically allocate a 2D array in C++

By Sanam Sahoo

Hello, Coders! In this C++ tutorial, we will learn about dynamic memory allocation, as well as initialize a 2D array in C++ using the pointers and new operator. Let’s briefly.... Read More

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