Java笔记

package notebook;


import java.util.ArrayList;


public class note {

       private ArrayList<String> notes = new ArrayList<String>();
      
public void  add(String s)
{
notes.add(s);
}

public int getsize()
{
return notes.size();
}
public String getnote()
{
return  notes.toString();

}
public String getnote (int index)
{

return notes.get(index);
}
public void removenote(int index)
{
notes.remove(index);
}

public String[] list()
{
String[] a = new String[notes.size()];

return notes.toArray(a);
}

public static void main(String[] args) {

note nb = new note();
nb.add("myname");
nb.add("myschool");
System.out.println(nb.getsize());
System.out.println(nb.list());
System.out.println(nb.getnote(0));
String[] a = nb.list();
for ( String s: a)
{
System.out.println(s);
}


}


}