import java.util.Arrays; import java.util.List; import java.util.stream.Collectors; public class Main { public static void main(String[] args) { String[] stringArray = {"apple", "banana", "cherry"}; List<Str
2.String<String>转换成String[]数组 和 String[]数组转换List<String> 方法:String [] strArray = list.toArray(new String[list.size()]); 方法: List<String> strsToList1= Arrays.asList(arry); List<String> listA = new ArrayList<String>(strsToList1); import java.util.ArrayList; import java....
{ private int id; private string name; private string description; public product(int id, string name, string description) { this.id = id; this.name = name; this.description = description; } // getter and setter } now that we have the json array, let’s try to understand its conversi...
@TestpublicvoidgivenString_whenUsingSplit_thenConvertToStringList(){ String[] charArray = inputString.split(""); List<String> charList = Arrays.asList(charArray); assertEquals(inputString.length(), charList.size()); } In this test method, wе first use thеsplit()mеthod to separate thei...
String class split(String regex) can be used to convert String to array in java. If you are working with java regular expression, you can also use Pattern class split(String regex) method. Let’s see how to convert String to an array with a simple java class example. package com.journal...
2. Using Core Java The following examples use the core Java APIs for converting the primitive array toListand do not require extra dependencies in the project. 2.1. Using Streams In Java, we can represent thestream of primitivesusing theIntStream,LongStream,FloatStream,DoubleStreamclasses for cor...
Java 8 – Convert a Stream to LIST package com.mkyong.java8; import java.util.List; import java.util.stream.Collectors; import java.util.stream.Stream; public class Java8Example1 { public static void main(String[] args) { Stream<String> language = Stream.of("java", "python", "node")...
Java ArrayListExample 1: Convert Map to List import java.util.*; public class MapList { public static void main(String[] args) { Map<Integer, String> map = new HashMap<>(); map.put(1, "a"); map.put(2, "b"); map.put(3, "c"); map.put(4, "d"); map.put(5, "e");...
byte[] bytes = string.getBytes();此外,Base64.getDecoder().decode()方法可以将字符串转换为字节数组。例如:字符串 string = " Java Tutorials";使用Base64解码方法将字符串转换为字节数组:byte[] bytes = Base64.getDecoder().decode(string);通过以上步骤,可以将字符串或Base64解码字符串转换...
Convert a String to an Array There are many ways to convert a string to an array. The simplest way is to use thetoCharArray()method: ExampleGet your own Java Server Convert a string to achararray: // Create a stringStringmyStr="Hello";// Convert the string to a char arraychar[]my...