Java - CoderSathi

java.lang.ClassNotFoundException: com.mysql.jdbc.Driver

March 26, 2024January 7, 2023 by Coder Sathi

Whether you’re an experienced Java developer or a student who is just trying to learn Java, you may have encountered …

February 12, 2025December 1, 2022 by Coder Sathi

Bytecode is an intermediate code that is generated by the Java compiler. It is a sequence of instructions that can …

January 23, 2024September 24, 2022 by Coder Sathi

In this post, we will learn the easiest way to use MongoDB $group aggregation in Java. First, we will learn …

March 11, 2025September 4, 2022 by Coder Sathi

If you’re learning Java or preparing for a technical interview, understanding the difference between JDK JRE and JVM is crucial. These three …

February 3, 2025September 4, 2022 by Coder Sathi

Before directly jumping to the reason first, we must understand how Java actually works and what are the components available …

September 14, 2023July 18, 2022 by Coder Sathi

In this short post, we will learn to sort a List of Objects in Java. First, we will create a …

September 14, 2023July 15, 2022 by Coder Sathi

In this post, we will learn to implement a search query in MongoDB using Java. Most of the applications have …

November 30, 2023July 10, 2022 by Coder Sathi

In this post, we will learn to map MongoDB Document to POJO Class in Java directly from org.bson.Document object to …

September 14, 2023July 9, 2022 by Coder Sathi

In this post, we will learn to use a MongoCollection instance for database operations in the Spring Boot application. We …

September 14, 2023July 6, 2022 by Coder Sathi

In this post, we will learn to set environment variables in the tomcat configuration file so that when the application …