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Lisha Krishna
unoin function
1 Answer(s)      6 years and 2 months ago
Posted in : Java Beginners

how to define a union function in java?(ex:a=a U b) how to write tha java code?give ex.

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February 5, 2011 at 11:47 AM


Java Union Function

You have learnt union, intersection etc in Sets. Here the given code finds the union of two sets.

import java.util.*;

public class SetsUnion {
public static void main(String[] args) {

Set a = new HashSet();
a.add(1);
a.add(2);
a.add(3);

Set b = new HashSet();
b.add(2);
b.add(3);
b.add(4);

Set s=new HashSet(a);
s.addAll(b);
System.out.println("Set A: "+a);
System.out.println("Set B: "+b);
System.out.println();
System.out.println("A U B is: "+s);
}
}









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