String str = String.join(",", list);// StringUtils.join(list, ",");System.out.println("String.join() 转化后的字符串 : " + str);} 打印输出结果：String.join() 转化后的字符串 : 张三,李四,王五,赵六 方式三： Collctors.joining()将分隔符、前缀和后缀作为参数。此方法将列表转换为具有给定...
` // 第一种方式: Listlist = new ArrayList<>(); list.add("a"); list.add("b"); list.add("c"); StringBuilder sb = new StringBuilder(); String result = ""; for(int i=0;i<list.size();i++){ if(i<list.size()-1){ sb.append(list.get(i)); sb.append(","); }else{ sb...
list.add("3"); list.add("4"); 1. String.join()方法: String str= String.join(",",list);//1,2,null,3,4 2.StringUtils.join()方法: String str2 = StringUtils.join(list,",");//1,2,,3,4 区别在于String会把null转化为字符串"null",而StringUtils会把null视为空字符串,并且String.join...
publicstaticvoidmain(String[]args){List<String>strlist=newArrayList<String>();strlist.add("sdfs1"...
List ==》 String //StringUtils.join(): 参数一:集合 参数二:连接符 String join = StringUtils.join(list, "-"); //String.join() String str = String.join(",", list); //遍历list集合存入StringBuilder StringBuilder sb = new StringBuilder(); ...
Java:String和List互相转换,packagedemo;importjava.util.ArrayList;importjava.util.Arrays;importjava.util.List;publicclassListDemo{publicstaticvoidmain(String[]args){Stringstr="A,B";//字符串转ListList<String>list=newArrayList<&
有关文档，请参阅here，请注意，您还可以调用此方法，使其填充传递的数组，而不仅仅是使用它来确定要...
Java:将List<string>转换为字符串JavaScriptArray.join()js>["Bill","Bob","Steve"].join(" and ")Bill and Bob and SteveJava有类似的东西吗?我知道我可以用StringBuilder拼凑一些东西:static public String join(List<String> list, String conjunction){ StringBuilder sb = new StringBuilder(); boolean ...
("",list1));9System.out.println(ss);10System.out.println("++++++++++++++++++");11System.out.println("字符串转List");12List<String> listString = Arrays.asList(ss.split(","));13for(String string : listString) {14System.out.println(string);15}16System.out.println("++++++++...