Convert a string to achararray: // Create a stringStringmyStr="Hello";// Convert the string to a char arraychar[]myArray=myStr.toCharArray();// Print the first element of the arraySystem.out.println(myArray[0]);
package com.journaldev.util; import java.util.Arrays; import java.util.regex.Pattern; public class StringToArrayExample { /** * This class shows how to convert String to String Array in Java * @param args */ public static void main(String[] args) { String line = "My name is Pankaj";...
In Java, you can use String.toCharArray() to convert a String into a char array. StringToCharArray.java package com.mkyong.utils; public class StringToCharArray { public static void main(String[] args) { String password = "password123"; char[] passwordInCharArray = password.toCharArray(); f...
public static void main(String[] args) { /** List<String> 转换String[] **/ List<String> list = new ArrayList<String>(); list.add("1"); //List<String>转String[] list中可以没有元素为空 String [] strArray = list.toArray(new String[list.size()]); for(int i = 0; i<strArray...
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...
Since String is an array of char, we can convert a string to the char array. String class also has a method to get the char at a specific index. Let’s look at a simple program to convert String to a char array. import java.util.Arrays; ...
String to byte array using getBytes(“encoding) // convert String to bytes of specified character encoding but // also throw checked UnsupportedEncodingException, which pollutes the code try { byte[] utf16 = "abcdefgh".getBytes("UTF-16"); ...
/** * 类型转换器 * * @author ruoyi */ public class Convert { /** * 转换为字符串<br> * 如果给定的值为null,或者转换失败,返回默认值<br> * 转换失败不会报错 * * @param value 被转换的值 * @param defaultValue 转换错误时的默认值 * @return 结果*/ public static String toStr(Object ...
21. Convert ArrayList to arrayWrite a Java program to convert an ArrayList to an array.Pictorial Presentation:Sample Solution:Java Code :// Import the ArrayList and Arrays classes from the Java utility library. import java.util.ArrayList; import java.util.Arrays; // Define a class named ...
To convert from string to byte array, use String.getBytes() method. Please note that this method uses the platform’s default charset. //String String string = "Java Tutorials"; //Convert string to byte[] byte[] bytes = string.getBytes(); Base64 class in Java 8 Base64.getDecoder()....