Answers for "set to int array java"

Java

convert hashset to int array java

import java.util.Arrays;
import java.util.Set;
import java.util.HashSet;
class Main
{
    // Program to convert set of integer to array of int in Java
    public static void main(String args[])
    {
        Set<Integer> ints = new HashSet<>(Arrays.asList(1, 2, 3, 4, 5));
        int[] primitive = ints.stream()
                            .mapToInt(Integer::intValue)
                            .toArray();
        System.out.println(Arrays.toString(primitive));
    }
}

Posted by: Guest on June-01-2020

Source

java convert a set to array

Set<String> set = new HashSet<String>();
      set.add("Apple");
      set.add("Orange");
      set.add("Banana");

      
      String[] myArray = new String[set.size()];
      set.toArray(myArray);

Posted by: Guest on March-10-2020

java int to int array

int number = 110101; 
String temp = Integer.toString(number);
int[] numbers = new int[temp.length()];
for (int i = 0; i < temp.length(); i++) {
    numbers[i] = temp.charAt(i) - '0';
}

Posted by: Guest on June-15-2020

int array to set in java

// int[] nums = {1,2,3,4,5}
Set<Integer> set = Arrays.stream(nums).boxed().collect(Collectors.toSet())

Posted by: Guest on September-27-2021

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