方法带泛型

Posted 2020-09-06 老邱2

package com;

public class GenericMethodTest {
    // 方法上的泛型
    public static <E> void getArray(E[] e) {
        for (E e2 : e) {
            System.out.println(e2);
        }
    }

    public static void main(String[] args) {
        Integer a[] = { 1, 2, 3 };
        String b[]={"a","b","c"};
        P pp1=new P();
        P pp2=new P();
        P pp3=pp2;
        P [] p={pp1,pp2,pp3};
        getArray(p);
    }
}

class P{
    
}