// Java program to convert a HashSet // into an array import java.util.*; public class Main { public static void main(String[] args) { HashSet < Integer > nums = new HashSet(); nums.add(1); nums.add(2); nums.add(3); nums.add(4); nums.add(5); nums.add(6); Object arr...
Convert File to byte array and Vice-Versa Kotlin Type Conversion Convert Array to Set (HashSet) and Vice-Versa Convert OutputStream to String Convert Character to String and Vice-Versa Convert List (ArrayList) to Array and Vice-Versa Kotlin...
("c"); set.add("a"); Iterator it = set.iterator();while(it.hasNext()) { Object element = it.next(); System.out.println(element); }// Create an array containing the elements in a setString[] array = (String[]) set.toArray(newString[set.size()]); Arrays.toString(array); }...
import java.util.Map; import java.util.Set; public class helloWorld { public static void main(String[] args) { Map map = new HashMap(); Map mapcopy = new HashMap(); map.put(1,2);//插入映射 map.put(2, 4); map.put(9, 10); map.get(1);//根据key,获取value Set keys = map...
# Example 1: Convert the list to a set # Using set() myset = set(lists) # Example 2: Convert list to set # Using for loop myset = set() for item in lists: myset.add(item) # Example 3: Convert list to set # Using set comprehension ...
Convert a Set to a SortedSetTo convert a set into sortedSet, there are multiple methods,object MyClass { def main(args: Array[String]): Unit = { val set = Set(2, 56, 577,12 , 46,9, 90, 19); println("The set is : "+ set) val sortedSet = collection.immutable.SortedSet[Int...
Fast file hash? Faster Deep Cloning Faster way to get folder size? Faster way to Read XML in C#.Net Fastest method to convert bitmap object to byte array Fastest way to do string comparisons? Hashset.Contains? Fastest way to iterate through an IEnumerable<T> Fastest way to read a huge ...
Learn to convert Map keys and values to the array, List or Set using the ArrayList and HashSet constructors as well as Stream APIs.
fun <T> convertToSet(array: Array<T>): Set<T> { val set: MutableSet<T> = HashSet() for (i in array) { set.add(i) } return set } fun main() { val array = arrayOf("A", "B", "C", "D", "E") val set = convertToSet(array) println(set) // [A, B, C, D, E...
One attribute, lastScore is a JSON array. 1. String to JSON Object using Gson The Gson is an open-source library to deal with JSON in Java programs. It comes from none other than Google, which is also behind Guava, a common purpose library for Java programmers. You can convert JSON ...