参考

3

package debug;import java.util.Arrays;/** * 输出信息 * Created by wang on 15/8/4. */public class Log {    public static void v(String[] strs) {        System.out.println(Arrays.toString(strs));    }}package debugoff;/** * 不输出 * Created by wang on 15/8/4. */public class Log {    public static void v(String[] strs) {        System.out.println("null");    }}import static debug.Log.*;//import static debugoff.Log.*; // 无输出/** * 测试输出 * Created by wang on 15/8/4. */public class TestLog {    public static void main(String[] args) {        v(args);    }}/** * Output: * (1) null * (2) [My, Name, is, Girl, !] */