摘要: class ArrayAlg{ public static <T> T getMiddle(T... a){ return a[a.length/2]; } } String middle=ArrayAlg.<String>getMiddle("John","q","Public"); 限定泛型 p 阅读全文
posted @ 2025-03-05 16:42 zhongta 阅读(6) 评论(0) 推荐(0)