20 lines
370 B
Java
20 lines
370 B
Java
//Hashset
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import java.util.*;
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public class TestJavaCollection7{
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public static void main(String args[]){
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HashSet<String> set=new HashSet<String>();
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set.add("Ravi");
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set.add("Vijay");
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set.add("Ravi");
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set.add("Ajay");
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set.add(null);
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Iterator<String>itr=set.iterator();
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while(itr.hasNext()){
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System.out.println(itr.next());
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}
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}
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}
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