Introduction If you’re a Java developer working with MongoDB, it’s important to know how to create different queries in order to get the results you need. Normally, a MongoDB query performed using Java will return all matching results; however, there may be times when you need to limit your results to a specific number. Fortunately, … Continued

Introduction MongoDB stores documents in BSON form. All of the documents in MongoDB are a record that is a data structure made up of fields and value pairs. MongoDB documents are comparable to JSON objects and the values of fields can include other documents and/or arrays of documents. Just as you use JSON like structure … Continued

Introduction Creating queries is an integral part of communicating with MongoDB. Some queries are quite simple, while others are more complex and use logical operators such as AND. If you’re a Java developer, the MongoDB Filters class can make it easy to use various logical operators in your MongoDB queries. In Java, you can pass … Continued

Introduction If you’re planning to work with MongoDB, you’ll need to set up a database and at least one collection before you can do anything else. With the help of the MongoDB Java driver, it’s easy to accomplish these tasks using Java. All it takes is some simple code, which can be written in the … Continued

Introduction Being able to query the number of documents in a collection can be very useful for a variety of functions, such as when trying to determine how often a certain type of data occurs. There are various ways of counting the number of returned documents in a query. This tutorial will provide two specific … Continued

Introduction Java is one of the most widely-used programming languages in the MongoDB user community. If you’re planning to work with MongoDB as a Java developer, one of the first tasks you’ll need to accomplish is to connect Java with your MongoDB instance. In this step-by-step tutorial, we’ll explain how to connect a Java application … Continued