testvector3.java

来自「java课件及例程有一些PPT及一些例程」· Java 代码 · 共 22 行

import java.util.Vector;
public class TestVector3{
    public static void main(String args[]){
        Vector v1 = new Vector();
        Integer x = new Integer(6);
        for(int i=0;i<6;i++){
            v1.add(new Integer(i+2));
            v1.add(new Integer(i+4));
        }    
        System.out.println("the element in v1:");
        for(int i=0;i<v1.size();i++)
            System.out.print(v1.get(i)+"  ");
        System.out.println();
        Integer x1 = (Integer)v1.elementAt(2);
        System.out.println("the element in index 2 is: "+x1);
        System.out.println(v1.contains(x));
        System.out.println(v1.indexOf(x,0));
        System.out.println(v1.indexOf(x,6));
        
        
    }
}