main.java

来自「电子工业出版社出版的《java2应用开发指南》配套光盘源代码」· Java 代码 · 共 28 行

//main.java
import java.util.*;
class Main
{
    public static void main(String[] args)
	{
		//
        Vector v = new Vector(Arrays.asList(new String[]{"dog", "cat", "pig"}));
        List slist = v.subList(1, 2);
        System.out.println( new ArrayList(slist) ); // [cat] 
        System.out.println( slist.get(0) );// cat
        //System.out.println( slist.get(-1) );
      	// IndexOutOfBoundsException
        // Append an element into the sublist.
        slist.add("cow");
        // The original list shows the new element.
        System.out.println( v ); // [dog, cat, cow, pig]
        // Clear the sublist.
        slist.clear();
        System.out.println( v );// [dog, pig]
        // Create a sublist and then remove element from vector.
        slist = v.subList(0, v.size());
        v.remove(1);
        //System.out.println( slist.get(0) );       
		// ConcurrentModificationException
    }
}