【单选题】已知有如下定义: //Runnable.java public interface Runnable{ public static void run(){ System.out.println("Running"); } } //Animal.java public class Animal implements Runnable{ public void run(){ System.out.pr...
【单选题】已知有如下代码,关于代码的描述正确的是: class A{ static int a=23; int b=34; public void tst(){ a++; } public static void operate(){ b++; } public static void main(String... args){ System.out.println(a); System.out.print...