1 package day6.lesson3.p4;
2
3 /*
4 3.4 泛型接口
5
6 格式：
7 修饰符 interface 接口名<类型> { }
8
9 */
10 public class GenericDemo {
11 public static void main(String[] args) {
12 Generic<String> g1 = new GenericImpl<>();
13 g1.show("tom");
14
15 Generic<Integer> g2 = new GenericImpl<>();
16 g2.show(30);
17 }
18 }
1 package day6.lesson3.p4;
2
3 public interface Generic<T> {
4 void show(T t);
5 }
1 package day6.lesson3.p4;
2
3 public class GenericImpl<T> implements Generic<T>{
4 @Override
5 public void show(T t) {
6 System.out.println(t);
7 }
8 }
