defaultclassdemo.java

JAVA的一些基础教程

import com.fanrongtraining.Pen;
import com.fanrongtraining.Paper;
import com.fanrongtraining.Book;

public class DefaultClassDemo{
	public static void main(String arg[]){
		Book 天龙八步 = new Book();
		Paper 九阴真经 = new Paper();
		Pen s = new Pen();
	}
}