为什么不试试正则表达式呢？

function boolean s1(String longString, List StrList){

for(String str : StrList){ if(longString.contains(str)){ return true; } } return false;

}

你的需求是不是判断，一个字符串数组中是否有元素是另一个字符串的子字符串，如果是的话可以写个方法：

public class Main { public static void main(String[] args) { String[] strings = {"www", "http"}; String sourceString = "https://www.baidu.com/"; boolean contain = contains(sourceString, strings); System.out.println(contain);//是否包含 } private static boolean contains(String sourceString, String[] strings) { boolean contain = false; for (String s : strings) { if (sourceString.contains(s)) { contain = true; } } return contain; } }