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Uppercase Alphabet Count for a given String in Python

By Priyam Sur

In this tutorial, we will learn how to count number of uppercase letters in a string in Python. For a better understand, we have provided an example with the output. We hope you wi.... Read More

Bind a function to a Tkinter button – Python GUI

By Faruque Ahamed Mollick

In this post, I am going to tell you how to bind a function to a Tkinter button. That means we will see how to add an event to the button. So let’s begin… Adding an eve.... Read More

Check whether a given tree is a Binary Search Tree in Java

By vikrant_tomar

In this Java tutorial, we will solve a well-known problem of Tree data structure. Given a tree, we will check whether the given tree is a Binary search tree or not. Binary Search T.... Read More

Reading and writing a file in java using FileWriter and FileReader

By Sneha Mitra

In this Java tutorial, first of all, we will learn about reading and writing a file in Java. We will also learn about FileWriter and FileReader classes in Java. Hence these classe.... Read More

How to Perform Matrix Multiplication of given dimension in Python3?

By Priyam Sur

In this Python tutorial, we will learn how to perform matrix multiplication in Python of any given dimension. MATRIX MULTIPLICATION in Python Matrix multiplication is the multiplic.... Read More

Matrix Transpose of a given Matrix of any dimension in Python3?

By Priyam Sur

In this Python tutorial, we will learn how the matrix transpose of a matrix in Python. MATRIX TRANSPOSE in Python Matrix transpose is an operation that can be clear from the fo.... Read More

Finding Missing number in an array using XOR operation in Java

By divyesh srivastava

In this Java tutorial, we gonna learn how to find a missing number in an array in Java using XOR operation. Problem Statement We are given an array of ‘n-1’ elements an.... Read More

Pair with a given sum in an array using HashSet in Java

By divyesh srivastava

In this Java tutorial, we are going to find the existence of a pair in an array whose sum is equal to a given value using HashSet. What is HashSet in Java? Set is an unordered coll.... Read More