safevectorcopy.java

来自「Java Thread Programming (Source」· Java 代码 · 共 27 行

import java.util.*;

public class SafeVectorCopy extends Object {
	public static void main(String[] args) {
		Vector vect = new Vector();
		vect.addElement("Synchronization");
		vect.addElement("is");
		vect.addElement("important");

		String[] word;

		synchronized ( vect ) {
			int size = vect.size();
			word = new String[size];

			for ( int i = 0; i < word.length; i++ ) {
				word[i] = (String) vect.elementAt(i);
			}
		}

		System.out.println("word.length=" + word.length);
		for ( int i = 0; i < word.length; i++ ) {
			System.out.println("word[" + i + "]=" + word[i]);
		}
	}
}