示例:

package test3;import java.util.Arrays;import java.util.List;public class Test5 {        /* 原函数 */    public String foundPerson(String[] people){        for (int i = 0; i < people.length; i++) {            if (people[i].equals("Don")) {                return "Don";            }            if (people[i].equals("John")) {                return "John";            }            if (people[i].equals("Kent")) {                return "Kent";            }        }        return "";    }    /* 修改后 */    public String foundPerson2(String[] people){        List
     
       candidates = Arrays.asList(new String[]{"Don","John","Kent"});        for (int i = 0; i < people.length; i++) {            if (candidates.contains(people[i])) {                return people[i];            }        }        return "";    }    }