java2从头开学（3）

java2从头开学（3）

package 数据类型;

class AutoArray {
 public static void main(String args[]){
  int month_days[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
  System.out.println("April has " + month_days[3] + " days.");
 }

}