java how to make a main code example

Example 1: java main

class myClass {
    public static void main(String[] args) {
        // code
    }
}

Example 2: java main

public class Jacob {

    public static void main(String[] args) {
		//code here
    }
}

Example 3: java define main function

public class Program {
  public static void main(String[] args){
    System.out.println("Hello, World!");
  }
}

Example 4: java main method

public static void main(String args[]){}

Example 5: main method java

It's an execution start point