test/java/util/WeakHashMap/ZeroInitCap.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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import java.util.*;

/**
 * @test
 * @bug     4503146
 * @summary Zero initial capacity should be legal
 * @author  Josh Bloch
 */

public class ZeroInitCap {
    public static void main(String[] argv) {
        Map map = new WeakHashMap(0);
        map.put("a","b");
    }
}