Calling nested class

import java.io.*;
import javax.swing.JOptionPane;
import java.net.URI; 

public class ClassTemplate1 {
	/**
	 * 
	 */
	public ClassTemplate1() {
		// TODO Auto-generated constructor stub
		
	}
public static void main(String[] args) 
		throws Exception {
		// TODO Auto-generated method stub
   myClass mls = new myClass();
	// can't instantiate abstract class
try {
	myClass.aero2012 ae1 = mls.new aero2012();
	ae1.welcome();ae1.freshman("Hello");
	ae1.freshman("John Doe");
	 //
  } catch (NumberFormatException exc) { 
	  //
	  }
   }
}// end of class template 
//
//outer class
class myClass{
	myClass(){}
	
	interface newStudent {
	    public void welcome();
	    public void freshman(String str1);
	        }
	//nested class
	public class aero2012 implements newStudent{
		String dep1 = "Welcome To MIT";
		String name = "Dept of Aerospace";
		public void welcome(){
			freshman( dep1);
			freshman( name);	
		}
		public void freshman(String name)
		{
			System.out.println( name);
		}
	}
}