- public class ListOfInt {
- public static void main(String[] args) {
- //(1)通过自动装包和拆包,在泛型中和基本类型进行交互
- List < Integer > li = new ArrayList < >();
- for (int i = 0; i < 5; i++) {
- //发生自动装包
- li.add(i);
- }
- //发生自动拆包
- for (int i: li) {
- System.out.println(i);
- }
- //(2)错误示例
- List < int > list = new ArrayList < >();
- }
- }
来源: http://www.tuicool.com/articles/ju2UJzr