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Get the asymmetric difference of two sets in Java
Use removeAll() method to get the asymmetric difference of two sets.
First set −
HashSet <String> set1 = new HashSet <String>();
set1.add("Mat");
set1.add("Sat");
set1.add("Cat");Second set −
HashSet <String> set2 = new HashSet <String>();
set2.add("Mat");To get the asymmetric difference −
set1.removeAll(set2);
The following is an example that displays how to get the asymmetric difference between two sets −
Example
import java.util.*;
public class Demo {
public static void main(String args[]) {
HashSet <String> set1 = new HashSet <String>();
HashSet <String> set2 = new HashSet <String>();
set1.add("Mat");
set1.add("Sat");
set1.add("Cat");
System.out.println("Set1 = "+ set1);
set2.add("Mat");
System.out.println("Set2 = "+ set2);
set1.removeAll(set2);
System.out.println("Asymmetric difference = "+ set1);
}
}Output
Set1 = [Mat, Sat, Cat] Set2 = [Mat] Asymmetric difference = [Sat, Cat]
Updated on: 25-Jun-2020
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