In my previous tutorials I have used the find() method to query all the documents from a collection. In this tutorial, we will see the… [Read More]
MongoDB Insert Document
In this tutorial, we will see how to insert a document into the collection. We will understand this with the help of multiple examples. Syntax… [Read More]
Drop collection in MongoDB
In the previous tutorial we learned how to create collection in MongoDB. In this guide, we will see how to drop a collection in MongoDB…. [Read More]
Create Collection in MongoDB
We know that the data in MongoDB is stored in form of documents. These documents are stored in Collection and Collection is stored in Database…. [Read More]
Drop Database in MongoDB
In the last tutorial we learned how to create a database in MongoDB. Here we will see how to drop a database in MongoDB. We… [Read More]
Create Database in MongoDB
In this tutorial, we will see how to create and use a database in MongoDB. MongoDB Create Database Start the MongoDB service by typing this… [Read More]
Java Program to Check Armstrong Number
Here we will write a java program that checks whether the given number is Armstrong number or not. We will see the two variation of… [Read More]
Java Program to reverse the Array
This program reverse the array. For example if user enters the array elements as 1, 2, 3, 4, 5 then the program would reverse the… [Read More]
Java Program to reverse words in a String
This program reverses every word of a string and display the reversed string as an output. For example, if we input a string as “Reverse… [Read More]
C++ Program to find number of Digits and White Spaces in a String
This program takes the input string (entered by user) and counts the number of digits and white spaces in the String. Example: Program to count… [Read More]
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