test.java

OOAD,加油

package ooad.composite;

public class Test {
	public static void main(String[] args) {
		File f1=new File(1000);
		File f2=new File(1000);
		File f3=new File(1000);
		File f4=new File(1000);
		File f5=new File(1000);
		File f6=new File(1000);
		File f7=new File(1000);
		File f8=new File(1000);
		File f9=new File(1000);
		
		Directory d1=new Directory();
		Directory d2=new Directory();
		Directory d3=new Directory();
		Directory d4=new Directory();
		Directory d5=new Directory();
		
		d1.addElement(f1);
		d1.addElement(d2);
		d1.addElement(d3);
		
		d2.addElement(f2);
		d2.addElement(f3);
		d2.addElement(f4);
		
		d3.addElement(f5);
		d3.addElement(f6);
		d3.addElement(d4);
		
		d4.addElement(f7);
		d4.addElement(f8);
		d4.addElement(d5);
		
		d5.addElement(f9);
		
		System.out.println(d3.getLength());
		System.out.println(d1.getLength());
		System.out.println(d2.getLength());
		
	}

}