5.7.3 显式的静态初始化

public class Robot {private static String className = "Robot";private static int maxNum;static {System.out.println("init maxNum");maxNum = 10;System.out.println("finish init");}private String name;public static void show() {System.out.println("className:" + className + ",maxNum:" + maxNum);}public Robot() {// TODO Auto-generated constructor stub}public static void main(String[] args) {// TODO Auto-generated method stubRobot.show();}}