How to execute java jar file driver#

Compiling and running a java program is very easy after JDK installation. Open Command Prompt, and type java -jar nameofjarfile.jar. Next, we can run the jar file java -jar test-jsbeautify-all. * A JDBC client program that inserts a row into a MySQL database. If you have a JAR file which is not running on its own, then you can use java JDK to run it. Here’s the package is net.codejava and the Java source file is StudentsInsert.java.Īnd below is source code of the program in the StudentsInsert.java file: package net.codejava

src: contains source code which is organized in sub directories representing Java packages.

Let’s understand each directory in details: Therefore it’s recommended to follow a common, standard directory structure as shown in the screenshot above. Organizing Directories StructureCreate the following director structure on your computer: The way you organize files is very important, as it affects the readability, maintainability and extensibility of a program when it evolves over times.

It seems confusing but solution is real simple. What if we don’t want to change the entry point but want to execute another class from jar file.

How to execute java jar file driver#

) ENGINE=InnoDB DEFAULT CHARSET=latin1You need to download the JDBC driver library for MySQL in order to run the program. Now when you will run the jar, it will execute the changed entry class. UNIQUE KEY `student_id_UNIQUE` (`student_id`) Here’s the MySQL script to create the database: create database Students The JAR file is an executable JAR.By following this tutorial step by step, you will be able to use the three tools ( javac, jar and java) together fluently in your daily Java programming.The Java program we use in this tutorial is a JDBC client that connects to a MySQL database named Students and inserts a row into the table students. The Java source file is under a package. This tutorial helps you use the core tools in JDK ( javac, jar and java) to compile, package and run a Java program under the following circumstance: