Java 不定参传参

package test;

public class primitiveelement {

	public static void main(String[] args) {
		printString();

		printString(new String[] { "str1", "str2", "str3" });

		printString("s1", "s2", "s3");

	}

	public static void printString(String... str) {
		for (String item : str) {
			System.out.println(item);
		}
		System.out.println("\n");
	}

}