摘要：
import java.util.Scanner; public class B { public static void main(String[] args) { String[] names={"aa","bb","cc","dd"}; System.out.println("name: ") 阅读全文
摘要：
（Array.length-1）/ 2 and Array.length/2 取中值 index Array.length is even * * * * * * ^ (Array.length-1)/2 * * * * * * ^ Array.length/2 当Array.length is e 阅读全文