import java.util.Scanner; public class Eext { public static void main(String[] args) { String[] str = {"lala" , "koko" , "joke"}; A02 a02 = new A02(); int indes = a02.find("joke" , str); if (indes != -1) { System.out.println("找到了indes 下标为:" + indes); } else { System.out.println("未找到查询的字符串"); } } } //编写一个A02,定义方法find,实现查找某字符串数组中的元素查找,并返回索引,如果找不到返回-1 //1.方法的返回类型 int //2.方法的名字 find //3.方法的形参 String strfind , String[] strs //4.方法体 查询 class A02 { public int find(String findStr , String[] strs) { for (int i = 0; i < strs.length; i++) { if (findStr.equals(strs[i])) { return i; } } return -1; } }
标签:String,int,indes,strs,查找,A02,find From: https://www.cnblogs.com/shuqiqi/p/16977192.html