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How to use strings with HashSet in Java

2 Answers

0 votes
import java.util.HashSet;
 
public class MyClass {
    public static void main(String args[]) {
        HashSet<String> hs =new HashSet<String>();
         
        hs.add("java");
        hs.add("c");
        hs.add("php");
        hs.add("python");
        hs.add("java");

        System.out.println(hs);
    }
}
 
/*
run:

[python, java, c, php]
 
*/

 




answered Feb 8 by avibootz
0 votes
import java.util.*;
 
public class MyClass {
    public static void main(String args[]) {
        HashSet<String> hs =new HashSet<String>();
         
        hs.add("java");
        hs.add("c");
        hs.add("php");
        hs.add("python");
        hs.add("java");

        Iterator it = hs.iterator();
        while(it.hasNext()) {
            System.out.println(it.next());
        }
    }
}
 
/*
run:

python
java
c
php
 
*/

 




answered Feb 8 by avibootz
...