三种java 去掉字符串中的重复字符函数 public static void main(string[] args) { system.out.println(removerepeatedchar("ddddccffgd")); } public static string removerepeatedchar(string s) { if (s == null) return s; stringbuilder sb = new stringbuilder(); , len = s.
如何使用 Java 删除 ArrayList 中的重复元素 (How to Remove Duplicates from ArrayList in Java) Given an ArrayList with duplicate values, the task is to remove the duplicate values from this ArrayList in Java. import java.util.*; import java.util.stream.Collectors;