// collections/SetOfString.java

// (c)2017 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

import java.util.*;

public class SetOfString {

public static void main(String[] args) {

Set<String> colors = new HashSet<>();

for(int i = 0; i < 100; i++) {

colors.add("Yellow");

colors.add("Blue");

colors.add("Red");

colors.add("Red");

colors.add("Orange");

colors.add("Yellow");

colors.add("Blue");

colors.add("Purple");

}

System.out.println(colors);

}

}

/* Output:

[Red, Yellow, Blue, Purple, Orange]

*/