1 package syntax.autoCase; 2 3 import java.util.Arrays; 4 import java.util.List; 5 6 public class autoCase { 7 8 public static void main(String args[]) { 9 10 List<Integer> list = Arrays.asList(1, 2, 3, 4); 11 //如果在JDK1.7中,还可以这样写 12 //List<Integer> list = {1, 2, 3, 4}; 13 14 int sum = 0; 15 for(int i : list){ 16 sum += i; 17 } 18 System.out.println(sum); 19 } 20 }