java中形参个数可变的方法使用

public class Varargs
{
	public static void main(String[] args)
	{
		test(3,"java","C++","PHP");
	}

	public static void test(int num,String... books)
	{
		System.out.println(num);
		for(String book : books)
		{
			System.out.println(book);
		}
	}
}

运行结果：