import java.util.HashSet; import java.util.Set; public class StringUtil { public static Set convertToSet(String string) { Set resultSet = new HashSet(); for (int i = 0; i < string.length(); i++) { resultSet.add(
String str = String.join(", ", set); Example Following is the program to convert set of string to a comma separated string in Java − import java.util.*; public class Demo { public static void main(String args[]) { Set<String>set = new HashSet<>(Arrays.asList("One", "Two",...
add("Katie"); hashSet.add("Brad"); hashSet.add("Amy"); hashSet.add("Ryan"); hashSet.add("Jamie"); Now, convert the HashSet to TreeSet ? Set<String> set = new TreeSet<String>(hashSet); Example Below is an example to convert a HashSet to a TreeSet in Java ? Open Compiler...
Example to Convert Java Set to String importscala.jdk.CollectionConverters._objectmyObject{defmain(args:Array[String]):Unit={valjavaSet=newjava.util.HashSet[Int]()javaSet.add(4535)javaSet.add(2003)javaSet.add(111)valscalaString=javaSet.toString println("The string conversion of java set is ...
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 ...
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...
The method returns astringwhich is the string conversion of a set. Example 1 Program to illustrate the working of our toString method importscala.collection.JavaConversions._objectMyClass{defmain(args:Array[String]):Unit={valjavaSetShorts=newjava.util.HashSet[Short]()javaSetShorts.add(65)javaSe...
HashSet; import java.util.List; import java.util.Set; public class Main { public static void main(String[] argv) { List tList = java.util.Arrays.asList("asdf", "java2s.com"); System.out.println(setList2Set(tList)); }/* ww w . j a va2s. c om*/ public static Set setList...
// 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 ...
Set<String>keySet=map.keySet(); 4. Conclusion This tutorial taught us how to convert Java Map keys and values into an Array, List or Set with simple examples. We learned to use theArrayListandHashSetconstructors as well as Stream APIs. ...