The args argument for main method may use any valid identifier. : main method « Java Source And Data Type « SCJP

1. SCJP
2. Java Source And Data Type
3. main method

For example, you can use arg, myArgs, or parms. 



public class MainClass{
    public static void main(String[] argv){
       System.out.println();
    }
}
    
public class MainClass{
    public static void main(String[] myArgs){
        System.out.println();
    }
}
    
    
public class MainClass{
    public static void main(String[] parms){
      System.out.println();
    }
}