int[][] array = list.toArray(new int[list.size()][]); 1. 2. 3. 4. 1.2.使用 Stream API Java 8 引入了 Stream API,可以将 List 转换为数组。示例如下: List<String> list = new ArrayList<>(); list.add("apple"); list.add("banana"); list.add("orange"); String[] array = list...
// 将数组转换为String数组String[]stringArray=Arrays.copyOf(array,array.length,String[].class); 1. 2. 完整示例代码 importjava.util.*;publicclassListToArrayExample{publicstaticvoidmain(String[]args){// 创建一个List对象List<String>list=newArrayList<>();list.add("Java");list.add("Python");li...
strs2[i]=testList.get(i); }for(String s:strs2){ System.out.println(s); } 二:String数据转List 方法一: //准备一个String数组String[] strs = {"aa","bb","cc"};//String数组转ListList<String> strsToList1=Arrays.asList(strs);for(String s:strsToList1){ System.out.println(s); ...
1.List转String数组 方法一: //先准备一个List List<String> testList=new ArrayList<>(); testList.add("a"); testList.add("b"); testList.add("c"); //List转String String[] strs1=testList.toArray(new String[testList.size()]); for(String s:strs1){ System.out.println(s); } 方法...
java List转换成String数组 实现代码: List(); list.add("a1"); list.add("a2"); String[] toBeStored = list.toArray(new String[list.size()]); for(String s : toBeStored) { System.out.println(s); } 或 Listlist = new ArrayList(); ...
JavaList转换成String数组⼏种实现⽅式详解Java List转换成String数组 实现代码：List<String> list = new ArrayList<String>();list.add("a1");list.add("a2");String[] toBeStored = list.toArray(new String[list.size()]);for(String s : toBeStored) { System.out.println(s);} 或 List<String...
一、数组转为集合 1、转换为不可变集合 @TestpublicvoidarrayToListTest(){String[]array=newString[]{"Apple","Xiaomi","Huawei","Vivo","Oppo"};// 从数组转为集合,集合list长度不可更改List<String>list=Arrays.asList(array);list.remove("Apple");list.forEach(s->System.out.println(s));} ...
以下是Java中将String转换为List,以及将List转换为Array的详细步骤: (图片来源网络,侵删) 1、String转List 创建ArrayList对象 使用Arrays.asList()方法将字符串分割成数组,然后将其添加到ArrayList中。 import java.util.*; public class Main { public static void main(String[] args) { ...
数组转String String[]arr=newString[]{1,2,3,4,5};System.out.println(Arrays.toString(arr)); List转String #java8 List<String>lists=Arrays.asList("1","2","3","4","5");#方法一 String str1=String.join(",",lists);#方法二 String str2=lists.stream().collect(Collectors.joining(","...