Java run jar with main class

A main() method in java is an entry point to start the execution of a program . Every Java application has at least one class and at least one main method. Normally, an application consists of many classes and only one of the class needs to have a main method.

The main() is the starting point for JVM to start execution of a Java program . Without the main() method, JVM will not execute the program. The syntax of the main() method is: public: It is an access specifier.

Java main method is the entry point of any java program. Its syntax is always public static void main(String[] args) . You can only change the name of String array argument, for example you can change args to myStringArgs .

To compile a program, you doesn’t really need a main method in your program . But, while execution JVM searches for the main method. In the Java the main method is the entry point Whenever you execute a program in Java JVM searches for the main method and starts executing from it.