vectortest.java~2~

一些用java写的工程文件

package vectortest;
import java.util.*;
import java.awt.*;


public class VectorTest {
  public VectorTest()
  {
                 System.out.println("The vector's init capacity is:"+sam.capacity());
                    System.out.println("The vector's init size is:"+sam.size());
                    System.out.println("Insert 0-9 Vector");

                    for(int i=0;i<10;i++)

                    sam.addElement(new Integer(i));

                    System.out.println("The vector's capacity is:"+sam.capacity());
                    System.out.println("The vector's size is "+sam.size());
                    System.out.println("Insert button0-button9 to Vector");

                    for(int i=0;i<10;i++)
                    {
                            Button button=new Button("button"+Integer.toString(i));
                            sam.addElement(button);

                    }

                    System.out.println("The vector's capacity is:"+sam.capacity());
                    System.out.println("The vector's size is:"+sam.size());

                    int index=sam.indexOf(new Integer(6));
                    System.out.print("The  index of 6 in the vector is:"+index);
                    int firstNumber=((Integer)sam.firstElement()).intValue();
                    System.out.println("The first element int the vector's is:"+firstNumber);

                    Button button=(Button)sam.lastElement();
                    System.out.println("The last element in the vector is:"+button.getLabel());
                    System.out.println("Remove 4 element in the vector");

                    for (int i=8;i<12;i++)
                    sam.removeElementAt(i);


                    System.out.println("The vector's capacity is:"+sam.capacity());
                    System.out.println("The vector's size is:"+sam.size());
                    System.out.println
                    ("Trim the vector to size ");
                    sam.trimToSize();

                System.out.println("The vector's capacity is:"+sam.capacity());
                    System.out.println("The vactor's size is :"+sam.size());
                    System.out.println("Remove all element of the vector");

                    sam.removeAllElements();

                    System.out.println("The vector's capacity is:"+sam.capacity());
                    System.out.println("The vector's size if:"+sam.size());

                    sam.trimToSize();
                    System.out.println("Trim the vector to size");
                    System.out.println("The vecotr's last capacity is:"+sam.capacity());
                    System.out.println("The vector's last sizeis:"+sam.size());


  } //end of VectorTest()
}