Code example for IdentityHashMap

Methods: keySet

        assertSame("HashMap(10)", map2.keySet(), map2.keySet());
        Map map3 = Collections.EMPTY_MAP;
        assertSame("EMPTY_MAP", map3.keySet(), map3.keySet());
        AbstractMap map4 = new IdentityHashMap(1);
        assertSame("IdentityHashMap", map4.keySet(), map4.keySet());
        AbstractMap map5 = new LinkedHashMap(122);
        assertSame("LinkedHashMap", map5.keySet(), map5.keySet());
        AbstractMap map6 = new TreeMap();
        assertSame("TreeMap", map6.keySet(), map6.keySet());
        AbstractMap map7 = new WeakHashMap();
        assertSame("WeakHashMap", map7.keySet(), map7.keySet());
     * java.util.AbstractMap#remove(java.lang.Object) 
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