The following code shows how to convert a set to an array. Example /*fromwww.java2s.com*/importjava.util.Arrays;importjava.util.Iterator;importjava.util.Set;importjava.util.TreeSet;publicclassMain {publicstaticvoidmain(String[] argv) { Set<String> set =newTreeSet<String>(); set.add("b...
import scala.jdk.CollectionConverters._ object myObject { def main(args: Array[String]): Unit = { val javaSet = new java.util.HashSet[Int]() javaSet.add(4535) javaSet.add(2003) javaSet.add(111) val scalaString = javaSet.toString println("The string conversion of java set is " + ...
//package com.java2s; public class Main { public static void main(String[] argv) { String[] stringArray = new String[] { "1", "abc", "level", null, "java2s.com", "asdf 123" }; String string = "java2s.com"; System.out.println(arrayToString(stringArray, string)); }//from ...
[] toLongArray(String split, String str) { if (StringUtils.isEmpty(str)) { return new Long[] {}; } String[] arr = str.split(split); final Long[] longs = new Long[arr.length]; for (int i = 0; i < arr.length; i++) { final Long v = toLong(arr[i], null); longs[i]...
ExampleGet your own Java Server 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]); ...
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...
The string conversion is [65, 541, -31234, 0] Example 2 Program to illustrate the working oftoStringmethod Here, we will try to feed duplicate elements to the set in Java. importscala.collection.JavaConversions._objectMyClass{defmain(args:Array[String]):Unit={valjavaSetShorts=newjava.util....
Convert a Set of String to a comma separated String in Java - Let us first create a set with string values −Setset = new HashSet(Arrays.asList(One, Two, Three, Four, Five, Six));Now, convert it to a comma separated string using String.join() −Strin
// convert the set to an array of same type letintArr=Array.from(s); console.log(intArr);// Output: [ 2, 4, 6, 8 ] // convert the set to an array of strings letstrArr=Array.from(s,x=>String(x)); console.log(strArr);// Output: [ '2', '4', '6', '8' ] ...
toDate(Object value, Date defaultValue) 转换为Date 如果给定的值为空,或者转换失败,返回默认值 转换失败不会报错 static String toDBC(String input) 全角转半角 static String toDBC(String text, Set<Character> notConvertSet) 替换全角为半角 static Double toDouble(Object value) 转换为double 如果给...