Set2.java Source code

Introduction

Here is the source code for Set2.java

Source

// : c11:Set2.java
// Putting your own type in a Set.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.TreeSet;

public class Set2 {

    public static Set fill(Set a, int size) {
        for (int i = 0; i < size; i++)
            a.add(new Integer(i));
        return a;
    }

    public static void test(Set a) {
        fill(a, 10);
        fill(a, 10); // Try to add duplicates
        fill(a, 10);
        a.addAll(fill(new TreeSet(), 10));
        System.out.println(a);
    }

    public static void main(String[] args) {
        test(new HashSet());
        test(new TreeSet());
        test(new LinkedHashSet());
    }
} ///:~