@Test void list2String2() { log.info("String2 result: {}", ListStreamDemo.list2String2(list)); }
public static String list2String2(List<String> list){ return String.join(",",list); }
ListStreamDemo { public static String list2String2(List<String> list){ return String.join(",",list); } }
ListStreamDemo { public static String list2String2(List<String> list){ return String.join(",",list); }  }
ListStreamDemo { public static String list2String2(List<String> list){ return String.join(",",list); }  static String list2String(List<String> list); static String list2String2(List<String> list); static List<Student> distinctBy(List<Student> students); }
ListStreamDemo { public static String list2String2(List<String> list){ return String.join(",",list); }  static String list2String(List<String> list); static String list2String2(List<String> list); static List<Student> distinctBy(List<Student> students);  }